About Jefferson County

Area 583 square miles
County Seat Jefferson
Established 1836
Named After President Thomas Jefferson

Jefferson County, Wisconsin, is located in the southeastern part of the state, positioned between Milwaukee and Madison. Established in 1836 and named after President Thomas Jefferson, the county encompasses approximately 583 square miles and serves a population of around 85,000 residents. The county seat is Jefferson, though the largest city is Watertown, which straddles the border with Dodge County. Jefferson County features diverse geography including the Rock River, Crawfish River, and numerous glacial lakes that define its landscape.

  • The Register of Deeds office, also housed in the courthouse, manages all land records, including deeds, mortgages, and plat maps.

Major communities include Fort Atkinson, Waterloo, Lake Mills, and Johnson Creek. The county is known for its rich agricultural heritage, particularly dairy farming, and its historical significance as home to the Aztalan State Park, a National Historic Landmark featuring ancient Native American mound builders' remains from approximately 1000-1300 AD. The Jefferson County Courthouse is located at 311 South Center Avenue in Jefferson, WI 53549.

The County Clerk's office operates from the courthouse and maintains vital records, election administration, and board proceedings. The County Assessor's office oversees property valuations and assessment records throughout the county's numerous townships and municipalities. Jefferson County's economy balances manufacturing, agriculture, and growing service sectors, with excellent transportation access via Interstate 94 and Highway 26.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

The Jefferson County Sheriff's Office is responsible for law enforcement in the unincorporated areas of the county. It operates the county jail, processes arrests, and maintains criminal records. The office is dedicated to ensuring public safety through patrol services, criminal investigations, and community engagement programs. Notable divisions within the sheriff's office include the K-9 unit and the drug task force, which work to combat drug-related crimes and enhance community safety.

Police Departments

Jefferson County is served by several law enforcement agencies, including the Jefferson County Sheriff's Office and municipal police departments. The Watertown Police Department, Fort Atkinson Police Department, and Lake Mills Police Department are key city departments within the county. Each department has jurisdiction over its respective city, handling local law enforcement duties and collaborating with the sheriff's office on major crimes and regional safety initiatives.

Law Enforcement & Arrests

The Jefferson County Sheriff's Office is the primary law enforcement agency for unincorporated areas and provides countywide services including jail operations, court security, and patrol. The Sheriff's Office is headquartered at 411 South Center Avenue, Jefferson, WI 53549, and can be reached at (920) 674-7311. The official website is www.jeffersoncountywi.gov and provides access to various law enforcement resources.

  • The Sheriff's Office maintains arrest logs and incident reports that can be requested during normal business hours.
  • Processing times vary but most requests are fulfilled within 10 business days under Wisconsin law.
411 South Center Avenue, Jefferson, WI 53549 • Phone: (920) 674-7311

The Jefferson County Jail, operated by the Sheriff's Office at the same location, maintains an online inmate roster accessible through the county website where citizens can search current inmates by name, booking date, or charges. Booking photos and mugshots are generally included in the inmate search system. Municipal police departments operate in several cities within Jefferson County, including the Watertown Police Department, Fort Atkinson Police Department, Jefferson Police Department, Lake Mills Police Department, and Waterloo Police Department, each serving their respective jurisdictions.

Arrest records in Jefferson County are public records subject to Wisconsin's Open Records Law, Wisconsin Statutes §19.31-19.39, which establishes the presumption that all government records are accessible to the public unless specifically exempted. Citizens can request arrest records by submitting written requests to the Sheriff's Office or the specific municipal police department that made the arrest, typically requiring requestor identification and payment of copying fees. No tribal law enforcement agencies operate within Jefferson County as there are no federally recognized tribal lands in the county.

Criminal, Arrest & Jail Records

Criminal Records

The criminal records ecosystem in Jefferson County includes records of felonies, misdemeanors, traffic violations, and the sex offender registry. The Jefferson County Sheriff's Office and local police departments maintain these records, while the Wisconsin Department of Justice provides statewide background checks through the Wisconsin Bureau of Investigation. Residents can request background checks to obtain information on criminal history, which includes details of convictions, charges, and any registered sex offender status.

  • The Wisconsin Circuit Court Access (WCCA) provides an online portal for accessing court records related to criminal cases in Jefferson County.

Arrest Records

Arrest records in Jefferson County are maintained by the Jefferson County Sheriff's Office. These records document the details of an individual's arrest, including charges, arresting agency, and booking information. Residents and attorneys can request arrest records through the sheriff's office, following the guidelines set by Wisconsin's public records law, known as the Wisconsin Open Records Law. Arrest records typically include the individual's personal information, details of the alleged offense, and the status of the case.

  • Requests for these records can be made in person, by mail, or through the sheriff's office website.

Jail & Inmate Records

The Jefferson County Jail, located in Jefferson, is the primary detention facility for the county. It handles the booking process for individuals arrested within the county, where they are fingerprinted, photographed, and processed. Inmate lookup services are available through the sheriff's office, allowing the public to find information about current detainees. Visitation rules are specific to the facility, requiring visitors to schedule appointments and adhere to security protocols.

  • The bond and bail process in Wisconsin allows for the release of inmates pending trial, with specific procedures outlined by the county for posting bail.

Mugshots & Booking Photos

Mugshots in Jefferson County are taken and retained by the Jefferson County Sheriff's Office as part of the booking process. These booking photos are considered public records and can be accessed through the sheriff's office. Individuals seeking mugshots can search for them via the sheriff's website or request them directly from the office. Wisconsin does not have specific laws for the removal of mugshots from public records, but individuals may petition for removal under certain circumstances, such as expungement of the related criminal record.

Courts & Case Records

Jefferson County's court system operates under the Wisconsin Circuit Court system, with the Jefferson County Circuit Court located at 311 South Center Avenue, Jefferson, WI 53549. The court can be reached at (920) 674-7211. Jefferson County has three circuit court branches (Branches 1, 2, and 3) with jurisdiction over all civil, criminal, family, probate, juvenile, and traffic matters arising in the county. The Clerk of Circuit Court maintains all court records and provides public access to case files in accordance with Wisconsin Supreme Court Rules.

  • The circuit court charges fees for certified copies of documents: $5 for the first page and $1 for each additional page, plus a $4 certification fee.
  • Online CCAP access is free for viewing, though certified copies must be requested in person or by mail with appropriate fees.
311 South Center Avenue, Jefferson, WI 53549 • Phone: (920) 674-7211

Wisconsin's Consolidated Court Automation Programs (CCAP) provides free online access to circuit court records at wcca.wicourts.gov, where users can search by name, case number, or attorney to find case information, party details, charges, judgments, and hearing schedules for Jefferson County cases. Municipal courts operate in several Jefferson County cities, including Watertown, Fort Atkinson, Jefferson, and Lake Mills, handling ordinance violations, traffic citations, and other municipal code violations within their respective city limits. These courts are separate from the circuit court system and maintain their own records at city halls.

Wisconsin Supreme Court Rule 61.02 governs public access to circuit court records, establishing that most court records are presumed open to the public except for specifically sealed or confidential records involving juveniles, certain family law matters, and cases where privacy interests outweigh public interest.

Property & Public Records

The Jefferson County Register of Deeds office, located at 311 South Center Avenue, Jefferson, WI 53549, maintains all land records including warranty deeds, quit claim deeds, mortgages, satisfactions, liens, easements, plat maps, and other recorded instruments affecting real property in the county. The office can be reached at (920) 674-7269 and operates Monday through Friday during normal business hours.

  • Most documents can be viewed and printed at no charge online, though certified copies require in-person or mail requests with fees of $4 for the first page and $1 for each additional page.
  • Real estate transfer returns and conveyance fees are also filed with the Register of Deeds.
311 South Center Avenue, Jefferson, WI 53549 • Phone: (920) 674-7269

The Register of Deeds provides a free online property records search system called Tapestry, accessible through the county website at www.jeffersoncountywi.gov, where users can search by owner name, parcel number, legal description, or document type to view recorded documents dating back several decades. The Jefferson County Property Listing office (Assessor) maintains property tax assessment records, parcel data, and valuation information for all real property in the county. An online Geographic Information System (GIS) mapping tool is available through the county website, providing interactive parcel maps, aerial photography, property characteristics, assessment values, and tax information searchable by address or parcel number.

Property tax bills and payment information are managed by the County Treasurer's office at the courthouse, phone (920) 674-7220. Wisconsin law requires all real property instruments to be recorded with the county Register of Deeds to provide constructive notice and establish chain of title, making these records essential for title searches, property research, and real estate transactions throughout Jefferson County.

Vital Records

Birth and death certificates for events occurring in Jefferson County are available through the Jefferson County Register of Deeds office at 311 South Center Avenue, Jefferson, WI 53549, phone (920) 674-7269. Wisconsin law, specifically Wisconsin Statutes §69.21 and §69.24, governs vital records access and establishes that birth records are restricted to authorized individuals including the registrant (if of legal age), parents, legal guardians, and others with direct and tangible interest. Death certificates have fewer restrictions after 50 years.

  • The fee for a certified birth or death certificate is $20 for the first copy and $3 for each additional copy of the same record requested simultaneously.
  • Processing time is typically same-day or next business day for in-person requests, and 7-10 business days for mail requests.
  • Requestors must provide valid government-issued photo identification and complete an application form specifying the relationship to the registrant.
  • Marriage licenses are issued by the Jefferson County Register of Deeds office, requiring both parties to appear in person with photo identification and Social Security numbers.
  • The marriage license fee is $110 with a 6-day waiting period before the license becomes valid.
311 South Center Avenue, Jefferson, WI 53549 • Phone: (920) 674-7269

The Wisconsin Department of Health Services, Division of Public Health, Vital Records Office in Madison serves as the central state repository for all Wisconsin vital records and can be contacted at (608) 266-1371 or online at www.dhs.wisconsin.gov/vitalrecords for records throughout the state. Divorce records (judgments of divorce) are maintained by the Jefferson County Clerk of Circuit Court as part of family court case files and can be accessed through the circuit court records system. Online ordering of certified vital records is available through the state VitalChek system at www.vitalchek.com with additional service fees.

Business & Licensing

Business licensing and registration in Jefferson County involves multiple levels of government depending on the business type and activities. The Jefferson County Clerk's office at 311 South Center Avenue, Jefferson, WI 53549, phone (920) 674-7310, maintains registration of fictitious business names (doing business as - DBA) and trade names for businesses operating in the county under names other than the legal owner's name.

  • The Secretary of State's business entity search allows free lookup of corporation names, registered agents, formation dates, and status information.
311 South Center Avenue, Jefferson, WI 53549 • Phone: (920) 674-7310

Wisconsin requires most business entities (corporations, LLCs, limited partnerships) to register with the Wisconsin Department of Financial Institutions, and these records are searchable through the state's online database at www.wdfi.org/apps/CorpSearch. Individual municipalities within Jefferson County issue various business licenses and permits through their respective clerk's offices, including alcohol licenses, temporary event permits, and occupancy permits. The Jefferson County Zoning Department, phone (920) 674-7231, administers county zoning ordinances, land use permits, and conditional use permits for unincorporated areas.

Building permits for construction, remodeling, and development projects are issued by the Jefferson County Building Inspection Department and municipal building inspection departments for incorporated areas. Professional licenses for occupations such as healthcare providers, contractors, cosmetologists, and real estate agents are regulated at the state level through the Wisconsin Department of Safety and Professional Services. The Watertown Area Chamber of Commerce (www.watertownchamber.com) and Fort Atkinson Area Chamber of Commerce (www.fortchamber.com) serve as key business resources, providing networking, advocacy, and economic development support for Jefferson County businesses.

Sales tax permits are obtained through the Wisconsin Department of Revenue.

Elections & Voter Records

Elections in Jefferson County are administered by the Jefferson County Clerk's office, located at 311 South Center Avenue, Jefferson, WI 53549. The County Clerk serves as the chief election official and can be reached at (920) 674-7310. Election information and resources are available at www.jeffersoncountywi.gov.

  • Wisconsin law requires voters to register at least 20 days before an election to vote by mail (absentee), though same-day registration is available at polling places with proper identification.
  • Jefferson County residents can request an absentee ballot online through MyVote Wisconsin, by mail, email, or in person at the County Clerk's office or their municipal clerk.
  • Absentee ballot requests must be received by 5:00 PM on the Thursday before Election Day, though in-person absentee voting at clerk offices typically ends the Friday before the election.
311 South Center Avenue, Jefferson, WI 53549 • Phone: (920) 674-7310

Voter registration in Wisconsin can be completed online through the statewide MyVote Wisconsin system at myvote.wi.gov, in person at the County Clerk's office or municipal clerk offices, by mail using a voter registration form, or at the polling place on Election Day with required proof of residence. Wisconsin's Voter ID law requires voters to present an acceptable photo ID such as a Wisconsin driver's license, state ID card, military ID, passport, or tribal ID. To find your specific polling place in Jefferson County, voters can use the MyVote Wisconsin website by entering their address, which also displays sample ballots, candidate information, and early voting locations.

Jefferson County election records that are public include voter registration lists (excluding certain protected information), campaign finance reports filed by candidates and committees, candidate nomination papers and declarations, and official election results by ward and county. The November 2024 general election saw voter turnout in Jefferson County of approximately 78%, consistent with Wisconsin's historically high participation rates in presidential elections. The next major election is scheduled for November 3, 2026, featuring U.S.

House of Representatives races, potential U.S. Senate race, Wisconsin constitutional officers (Governor if applicable), state legislative seats, county offices, and local positions. Absentee voting is available to all Wisconsin voters without requiring an excuse.

Wisconsin election transparency is governed by Wisconsin Statutes Chapter 5-12, which establish that virtually all election records are public except for actual marked ballots and certain voter privacy protections, allowing citizens to request precinct-level results, poll lists, absentee ballot logs, and campaign finance disclosure reports.

Economy & Demographics

Jefferson County's economy represents a balanced mix of agriculture, manufacturing, healthcare, retail, and service sectors with strong connections to the larger Milwaukee and Madison metropolitan economies. Agriculture remains foundational to the county's economic identity, with dairy farming, crop production (particularly corn and soybeans), and related agribusinesses employing significant portions of the workforce and contributing substantially to the tax base.

  • Major employers include Watertown Regional Medical Center, Fort HealthCare in Fort Atkinson, and numerous manufacturing facilities producing diverse products from automotive components to food processing equipment.

The county benefits from strategic location along Interstate 94, providing efficient freight and commuter access between Wisconsin's two largest cities. Companies with significant operations in Jefferson County include Warehouse Direct (distribution), John Deere (manufacturing in Watertown and Fort Atkinson), and numerous precision manufacturing firms. The median household income in Jefferson County is approximately $68,000, slightly above the Wisconsin state average, with unemployment rates typically tracking at or below state levels, generally ranging between 2.5% and 4.0% in recent years.

Tourism contributes meaningfully to the local economy through attractions like Aztalan State Park, numerous lakes offering recreational opportunities, the International Clown Hall of Fame in Lake Mills (historically), and agricultural tourism including dairy farm tours and farmers markets. Recent economic development initiatives have focused on business park expansion in Watertown and Fort Atkinson, downtown revitalization in Jefferson and Lake Mills, and workforce development programs addressing skilled trades shortages in manufacturing. The county's diversified economic base has provided relative stability during economic fluctuations, though agricultural sectors remain subject to commodity price variations and national dairy market conditions.

Transparency Score

Court Records: ✅ Online (CCAP) | Property: ✅ Free Search (Tapestry & GIS) | Arrest/Jail: ✅ Online Roster | Vital Records: ⚠️ In-Person/Mail Required | Business: ✅ Online (State Database) | Elections: ✅ Online (MyVote WI) | Overall Score: 9/10 — Jefferson County, Wisconsin provides excellent digital access to most public records with free online property search, court case lookup, jail roster, and comprehensive election resources.

Frequently Asked Questions

How can I search for someone recently arrested in Jefferson County, Wisconsin?
To search for someone recently arrested in Jefferson County, Wisconsin, you can use the inmate lookup tool provided by the Jefferson County Jail. The facility is located at 411 S Center Ave, Jefferson, WI 53549. You can visit the Jefferson County Sheriff's Office website to access the inmate search tool, which provides information on current inmates, including booking details and charges.
Mugshots or booking photos in Jefferson County, Wisconsin, can be obtained through the Jefferson County Sheriff's Office. The Sheriff's Office may provide access to these photos via their official website or through a formal records request. For online access, you can visit their website and navigate to the section dedicated to inmate information or public records.
To obtain a criminal background check in Jefferson County, Wisconsin, you need to contact the Wisconsin Department of Justice Crime Information Bureau. Locally, you can also request assistance from the Jefferson County Sheriff's Office. The process typically involves submitting a request form and paying a fee, and it may be completed online or in person.
You can look up sex offenders in Jefferson County, Wisconsin, by accessing the Wisconsin Sex Offender Registry. This registry is managed by the Wisconsin Department of Corrections and provides a searchable online database. You can search by name, address, or geographic location to find information about registered sex offenders in the area.
Voter registration in Jefferson County is managed through the County Clerk's office and the statewide MyVote Wisconsin system at myvote.wi.gov, where you can register online, check registration status, and request absentee ballots. Wisconsin requires registration at least 20 days before an election for absentee voting, though same-day registration is available at your polling place on Election Day with proof of residence and acceptable photo ID. You can also register in person at the Jefferson County Clerk's office at 311 South Center Avenue in Jefferson or at your municipal clerk's office. Absentee ballots can be requested online through MyVote Wisconsin or by contacting the County Clerk at (920) 674-7310.
Property records in Jefferson County are maintained by the Register of Deeds office at 311 South Center Avenue, Jefferson, phone (920) 674-7269. The county provides free online access to recorded land documents through the Tapestry system available at www.jeffersoncountywi.gov, where you can search and view deeds, mortgages, liens, plat maps, and other recorded instruments by owner name, parcel number, or document type. The county also offers a free online GIS mapping system that provides property tax assessment information, parcel boundaries, ownership data, and aerial imagery searchable by address. Certified copies of documents require a request to the Register of Deeds with fees of $4 for the first page and $1 for each additional page.
Birth and death certificates for events in Jefferson County are available through the Jefferson County Register of Deeds office at 311 South Center Avenue, Jefferson, WI 53549, phone (920) 674-7269. The fee is $20 for the first certified copy and $3 for each additional copy of the same record requested at the same time. In-person requests are typically processed same-day or next business day, while mail requests take 7-10 business days. You must provide valid photo ID and demonstrate direct and tangible interest in the record (birth certificates are restricted to family members and authorized persons under Wisconsin Statutes §69.21). You can also order vital records through the Wisconsin Department of Health Services Vital Records Office or online via VitalChek at www.vitalchek.com with additional service fees.
Business records in Jefferson County can be found through several sources depending on the business type. The Jefferson County Clerk at (920) 674-7310 maintains fictitious name (DBA) registrations for businesses operating under assumed names. For corporations, LLCs, and other formal business entities, search the Wisconsin Department of Financial Institutions online database at www.wdfi.org/apps/CorpSearch, which provides free access to registration information, registered agents, and business status. Individual cities within Jefferson County issue various business licenses and permits through their municipal clerk offices, so contact the specific municipality where the business operates for local licensing information. Professional licenses are regulated by the Wisconsin Department of Safety and Professional Services at dsps.wi.gov.

Cities & Towns in Jefferson County

Explore public records for 10 cities and communities in Jefferson County, Wisconsin.

County Info
StateWisconsin
County SeatJefferson
Population84767
Area583 sq mi
Founded1836