About Knox County

Population 40,860 residents
County Seat Rockland
Established 1860
Named After Revolutionary War General
Area 1,142 square miles

Knox County is located in the Midcoast region of Maine, occupying approximately 365 square miles of land and 585 square miles of water along Penobscot Bay. Knox County seat is Rockland, a historic seaport city known for its working waterfront and the Farnsworth Art Museum. Knox County was established in 1860, carved from portions of Waldo and Lincoln Counties, and named after Revolutionary War General Henry Knox, who served as the first U.S. Secretary of War. Knox County includes numerous offshore islands including Vinalhaven, North Haven, and Matinicus, making ferry service an essential component of county infrastructure. As of recent census estimates, Knox County has a population of approximately 40,000 residents. Major municipalities include Rockland, Thomaston, Camden, and Rockport. Knox County Registry of Deeds is located at 62 Union Street, Rockland, ME 04841. Knox County Commissioners office operates from Knox County Courthouse at the same Union Street address. Knox County Assessor functions are handled at the municipal level in Maine, with each town maintaining its own assessment office. Notable landmarks include the Maine Lighthouse Museum, Owls Head Transportation Museum, Camden Hills State Park, and the historic Knox County Courthouse built in 1874. Knox County's economy has historically centered on fishing, lobstering, boat building, and tourism, with the Port of Rockland remaining one of the busiest fishing ports in Maine. Knox County's natural beauty and maritime heritage make Knox County a significant cultural and economic center in coastal Maine.

62 Union Street, Rockland, ME 04841

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

Knox County Sheriff's Office is responsible for law enforcement in the unincorporated areas of Knox County. It operates Knox County jail, processes arrests, and maintains criminal records. The office is involved in community policing and offers various programs meant to crime prevention and public safety.

Police Departments

Law enforcement in Knox County is provided by Knox County Sheriff's Office and several municipal police departments. Each department is responsible for policing within its city limits, while the sheriff's office covers unincorporated areas. These agencies collaborate on major crimes and public safety initiatives, making sure of full coverage across Knox County.

Law Enforcement & Arrests

Knox County Sheriff's Office, located at 301 Park Street, Rockland, ME 04841, provides primary law enforcement services to unincorporated areas and assists municipal departments throughout Knox County.

  • Arrest records in Knox County are considered public records under Maine's Freedom of Access Act (1 M.R.S.
  • Mugshots and booking photos are generally available through Knox County Jail by contacting the facility directly, though Maine law does not require the publication of booking photos online.
301 Park Street, Rockland, ME 04841

Inmate searches and jail roster information are available through Knox County Sheriff's Office website at knoxcountymaine.gov or by calling the jail directly for The jail facility houses pre-trial detainees and sentenced inmates, with booking information typically updated within hours of arrest. §§ 401-410), which governs public access to government records.

Response times vary based on location, with island communities requiring coordination with ferry schedules or marine patrol resources. Knox County is not within tribal jurisdiction, though the state maintains cooperative agreements with the Penobscot Nation and Passamaquoddy Tribe for law enforcement matters elsewhere in Maine.

Criminal, Arrest & Jail Records

Criminal Records

Criminal records in Knox County, ME are maintained by local law enforcement agencies and the court system. Background checks are typically obtained through state-level repositories or authorized vendors. For an authoritative source, see Criminal Records Search - Knox County, ME (Arrests, Jails & Most Wanted Records).

Arrest Records

Arrest records in Knox County, ME are public under most state public-records laws unless sealed or expunged by a court. They are maintained by the arresting agency, primarily the County Sheriff's Office and municipal police departments.

Jail & Inmate Records

The Knox County jail is operated by the County Sheriff's Office and houses pretrial detainees and short-sentence inmates. Inmate locator tools allow public searches by name or booking number.

301 Park Street Rockland, ME 04841 • Phone: (207) 594-0429

Courts & Case Records

Knox County is served by Knox County Unified Criminal and Civil Docket, part of Maine's unified court system. Knox County Courthouse is located at 62 Union Street, Rockland, ME 04841, and houses both Superior Court and District Court operations. The court can be contacted through the office’s website. Superior Court handles felony criminal cases, civil cases over $30,000, and appeals from District Court. District Court processes misdemeanors, small claims up to $6,000, civil cases under $30,000, family matters including divorce and child custody, protection from abuse orders, and traffic violations.

  • Maine's court system provides online case search through the Maine Judicial Branch website at courts.maine.gov, where users can search civil, criminal, and family cases by party name or case number free of charge.
  • Court records are public under Maine's Freedom of Access Act (1 M.R.S.
  • Certified copies of court documents cost $7.00 for the first page and $2.00 for each additional page.
  • Knox County also uses the statewide electronic filing system for civil cases, allowing attorneys and self-represented litigants to file documents online.
62 Union Street, Rockland, ME 04841

The Probate Court for Knox County, also located in the County Courthouse, handles estates, wills, guardianships, conservatorships, and name changes, with proceedings governed by separate probate rules. § 408-A) and court rules, though certain family court and juvenile records are confidential. The court clerk's office is open Monday through Friday, 8:00 AM to 4:00 PM, excluding state holidays.

Remote video hearings have become more common since 2020, particularly for procedural matters and initial appearances. Case records dating back decades are maintained, though older records may require additional research time.

Property & Public Records

Knox County Registry of Deeds, located at 62 Union Street, Rockland, ME 04841, maintains all land records for Knox County including deeds, mortgages, liens, easements, rights of way, subdivision plans, and other instruments affecting real property. The Registry can be reached through the office operates Monday through Friday, 8:00 AM to 4:00 PM. Knox County offers free online access to land records through a searchable database at knoxcountymaine.gov/registry-of-deeds, where users can search by grantor, grantee, book and page, or parcel identifier.

  • Recording fees are set by state statute: $22.00 for the first page of most documents and $4.00 for each additional page.
  • Certified copies cost $2.00 per page plus a $5.00 certification fee.
  • Property tax records are maintained at the municipal level in Maine, as each town has its own assessor and tax commitment process.
62 Union Street, Rockland, ME 04841

The online system includes scanned images of recorded documents dating back to the early 1900s, with continuous digitization efforts expanding the archive. The Registry accepts recordings in person, by mail, or through authorized electronic recording systems. Rockland's Assessing Department is located at 270 Pleasant Street and can be contacted through the office’s website. Most Knox County municipalities provide online property tax and assessment information through proprietary systems or Maine's standardized property tax portal.

Knox County Tax Maps office maintains official tax maps showing parcel boundaries, which are available for public inspection. Geographic Information System (GIS) mapping is available through individual municipalities, with some towns offering interactive parcel viewers showing ownership, assessed values, and tax status. The Registry of Deeds does not determine ownership or provide legal advice, but staff can assist with document retrieval and explanation of recording procedures.

Vital Records

Vital records in Knox County, Maine are maintained by both municipal and state authorities under Maine's vital records law (22 M.R.S. §§ 2701-2710). Birth and death certificates from 1892 forward are held by the Maine Department of Health and Human Services, Center for Disease Control and Prevention, Office of Data, Research and Vital Statistics, located at 244 Water Street, 11 State House Station, Augusta, ME 04333-0011. Requests can be made online through VitalChek at maine.gov/dhhs/mecdc/public-health-systems/data-research/vital records, by mail, or in person.

  • The fee for a certified birth or death certificate is $15.00 for the first copy and $6.00 for each additional copy of the same record ordered simultaneously.
  • Processing time is typically 4-6 weeks by mail, or same-day for in-person requests in Augusta.
  • Marriage licenses are issued by municipal clerks in the town where the marriage will take place; in Rockland, the City Clerk's office at 270 Pleasant Street, processes marriage applications.
  • Couples must apply together, provide identification, and pay a $40.00 fee.

Applicants must provide valid photo identification and demonstrate a direct and tangible interest in the record, as Maine restricts access to immediate family members, legal representatives, or those with court orders. Birth records are restricted for 100 years and death records for 25 years from the date of event. There is no waiting period, and licenses are valid for 90 days.

Marriage and death records can also be obtained from the town clerk where the event occurred. Divorce records are maintained by the Maine Judicial Branch through the court where the divorce was granted, not through vital records offices. Genealogical researchers can access older records through the Maine State Archives in Augusta.

Same-day service is not available through municipal clerks for historical vital records, which must be obtained through the state office.

Business & Licensing

Business licensing and registration in Knox County operates through multiple jurisdictions depending on business type and location. The Maine Secretary of State, Bureau of Corporations, Elections and Commissions maintains the statewide business entity database accessible at icrs.informe.org/nei-sos-icrs/ICRS, where citizens can search for corporations, limited liability companies, partnerships, and trade names registered in Maine. This free online system provides formation dates, registered agents, status, and filing history.

  • Businesses operating under assumed names (DBAs) in Knox County must register with the municipal clerk in each town where they conduct business.
  • The Rockland City Clerk, located at 270 Pleasant Street, processes fictitious business name registrations for businesses operating in Rockland.
  • Commercial fishing licenses and marine-related permits are processed through the Maine Department of Marine Resources.
1 Park Drive, Rockland, ME 04841

Professional licenses including those for contractors, electricians, plumbers, and health professionals are issued by state licensing boards through the Maine Department of Professional and Financial Regulation, accessible at pfr.maine.gov. Sales tax permits are obtained through Maine Revenue Services. Building permits and land use approvals are handled by municipal code enforcement officers and planning departments; Rockland's Code Enforcement Office is located at 270 Pleasant Street.

The Penobscot Bay Regional Chamber of Commerce, serving Knox County, is located at 1 Park Drive, Rockland, ME 04841, website penbaychamber.com, and provides business support, networking, and economic development advocacy. Lodging facilities require state licensing through the Department of Health and Human Services. Food service establishments must obtain licenses from the Maine Department of Health and Human Services and comply with local health inspections.

Liquor licenses are issued by municipal officials and the Maine Bureau of Alcoholic Beverages and Lottery Operations. Home occupation permits are governed by local zoning ordinances in each county.

Frequently Asked Questions

How can I search for someone recently arrested in Knox County, Maine?
To search for someone recently arrested in Knox County, Maine, you can contact the Knox County Jail, located at 327 Park Street, Rockland, ME. The jail provides an inmate lookup process that can be accessed by calling their main line at (207) 594-0430. You may visit the jail in person to inquire about recent arrests and inmate information.
Mugshots or booking photos in Knox County, Maine, can be obtained from the Knox County Sheriff's Office. The office is located at 301 Park Street, Rockland, ME. While the Sheriff's Office may provide mugshots upon request, they do not have an online portal for public access, so you will need to contact them directly at (207) 594-0429 for more information.
To obtain a criminal background check in Knox County, Maine, you should contact the Maine State Bureau of Identification. The process involves submitting a request through the Maine Criminal History Record Check service. You can access this service online or by contacting the bureau directly for assistance with the application process.
You can look up sex offenders in Knox County, Maine, by accessing the Maine Sex Offender Registry. This registry is maintained by the Maine Department of Public Safety and provides an online search tool for the public. You can search by name, address, or zip code to find registered sex offenders in the area.
Voter registration in Knox County is handled by municipal clerks in each town and city. You can register online at maine.gov/sos/cec/elec/voter-info/voterguide.html, in person at your town or city clerk's office, by mail, or on Election Day at your polling place. Maine allows same-day voter registration, eliminating traditional registration deadlines, though registering in advance helps ensure smooth processing. For assistance, contact your municipal clerk such as the Rockland City Clerk at (207) 594-0310.
Property records in Knox County are maintained by the Knox County Registry of Deeds at 62 Union Street, Rockland, ME 04841, phone (207) 594-0422. You can search land records including deeds, mortgages, and liens for free online at knoxcountymaine.gov/registry-of-deeds using grantor/grantee name or parcel information. Property tax records and assessed values are maintained by municipal assessors in each town; for example, Rockland's Assessing Department can be reached at (207) 594-0310. Most towns offer online property tax lookup through their websites or Maine's property tax portal.
Certified birth and death certificates in Maine are issued by the state Office of Vital Records at 244 Water Street, Augusta, ME 04333, or online through VitalChek at maine.gov/dhhs/mecdc/public-health-systems/data-research/vital records. The fee is $15.00 for the first copy and $6.00 for additional copies. Processing takes 4-6 weeks by mail or same-day in person in Augusta. You must provide valid ID and prove direct and tangible interest in the record. For recent records, you may also contact the municipal clerk in the town where the event occurred, such as the Rockland City Clerk at (207) 594-0310.
Business entity records for Knox County are searchable online for free through the Maine Secretary of State at icrs.informe.org/nei-sos-icrs/ICRS, which includes corporations, LLCs, and trade names. For local assumed name (DBA) registrations, contact the municipal clerk in the town where the business operates, such as Rockland City Clerk at (207) 594-0310. Professional licenses are issued by state boards accessible at pfr.maine.gov. Building permits and code compliance records are maintained by municipal code enforcement offices in each town.

Economy & Demographics

Knox County's economy remains deeply connected to its maritime heritage, with commercial fishing, lobstering, and aquaculture forming the foundation of economic activity. The Port of Rockland is one of Maine's busiest working waterfronts, generating significant economic impact through lobster landing, fish processing, and marine services. Dragon Cement (now part of Heidelberg Materials) operates a major cement manufacturing facility in Thomaston, representing one of Knox County's largest industrial employers.

  • The median household income in Knox County is estimated at approximately $58,000-$62,000, slightly below the Maine state average.

Tourism and hospitality drive substantial economic activity, particularly during summer months when Knox County's population swells with seasonal People drawn to sailing, museums, festivals, and coastal scenery. Major employment sectors include healthcare (Pen Bay Medical Center in Rockport is a significant employer), education, retail, construction, and professional services. The Farnsworth Art Museum and its collections generate cultural tourism and support related businesses in Rockland.

Boat building and marine trades continue traditional industries, with several yacht yards and marine railways operating throughout Knox County. Camden and Rockport support upscale retail, restaurants, and hospitality businesses catering to tourists and seasonal residents. Agriculture includes blueberry production, livestock farming, and a growing organic farming sector.

The Maine Lobster Festival, held annually in Rockland, draws over 20,000 visitors and generates millions in economic impact. Unemployment rates in Knox County typically track close to or slightly below state averages, ranging between 3-5% in recent years. Economic challenges include seasonal employment fluctuations, affordable housing shortages, and workforce availability.

The island communities of Vinalhaven and North Haven maintain fishing-dependent economies with limited diversification. Recent economic development efforts have focused on downtown revitalization in Rockland, expansion of year-round tourism, and support for value-added marine products. Broadband expansion projects aim to improve connectivity for remote workers and businesses.

Elections & Voter Records

Knox County elections are administered at the municipal level, as Maine does not have county election offices. Each city and town within Knox County has its own clerk who is the local election official, registrar of voters, and overseer of polling places. The City Clerk of Rockland, located at 270 Pleasant Street, Rockland, ME 04841, is a representative municipal election authority, but voters in other Knox County towns such as Camden, Thomaston, Rockport, and Vinalhaven interact with their respective town clerks.

  • Maine allows Election Day registration, making it one of the most accessible states for voter participation, though registering in advance is encouraged.
  • Absentee ballots in Knox County are requested through your municipal clerk, either in person, by phone, by mail, or through the online absentee ballot request system at maine.gov/cgi-bin/online/AbsenteeBallot/index.pl.
  • Maine also allows voters to request to be placed on the absentee ballot list for all elections in a calendar year.
  • Election transparency in Knox County is strong, with all ballots counted publicly, results posted promptly, and full records available under Maine's Freedom of Access Act.
  • Citizens may request copies of voted absentee ballot applications, poll books, and ballot reconciliation reports from municipal clerks.
270 Pleasant Street, Rockland, ME 04841

Voter registration in Maine can be completed online at maine.gov/sos/cec/elec/voter-info/voterguide.html through the Maine Secretary of State's centralized system, by mail using a voter registration form, in person at municipal clerk offices, or on Election Day at the polls. Voters must be U.S. Citizens, at least 18 years old by Election Day, and residents of Maine.

To find your polling place in Knox County, contact your municipal clerk or use the polling place lookup tool at maine.gov/portal/government/edemocracy/voter_lookup.php. Public election records in Knox County include voter registration lists (available for election related purposes under 21-A M.R.S. § 196), campaign finance reports filed with the Maine Ethics Commission, candidate nomination papers and declarations, and official election results by county and precinct.

Precinct-level results are posted by the Secretary of State following certification. Knox County, like most Maine coastal counties, typically sees The 2024 general election saw strong participation consistent with these patterns.

U.S. House and Senate midterms, Maine gubernatorial race, state legislative seats, and local municipal elections. Absentee ballot applications must be submitted by the Thursday before Election Day, though ballots must be received by 8:00 PM on Election Day to be counted.

The Secretary of State's office maintains statewide election data at maine.gov/sos/cec/elec.

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