About LaSalle County

Population 109,658 residents
Area 1,148 square miles
County Seat Ottawa
Established 1831
Named After French explorer Ren

LaSalle County is located in north-central Illinois, approximately 80 miles southwest of Chicago. The county seat is Ottawa, a historic city situated at the confluence of the Fox and Illinois Rivers. Established in 1831, LaSalle County covers approximately 1,148 square miles and had a population of approximately 109,658 as of the 2020 Census. The county is named after French explorer René-Robert Cavelier, Sieur de La Salle, who explored the Illinois River valley in the 1680s. Major cities include Peru, Streator, Marseilles, Seneca, and Mendota.

707 Etna Road, Ottawa, IL 61350

The county features significant historical landmarks including Starved Rock State Park, one of Illinois' most visited state parks with 18 canyons formed by glacial meltwater and sandstone erosion, and Matthiessen State Park. The Illinois and Michigan Canal, a National Heritage Corridor, runs through the county and was instrumental in connecting the Great Lakes to the Mississippi River in the 19th century. LaSalle County's economy has historically been based on agriculture, manufacturing, and river commerce.

The county government operates through several key agencies: the LaSalle County Recorder's Office maintains land and property records at 707 Etna Road, Ottawa, IL 61350; the LaSalle County Clerk at the same courthouse complex handles vital records, elections, and certain business filings; and the LaSalle County Assessor's Office manages property assessments and tax information. The county features diverse geography from prairie farmland to river bluffs and canyons, making it both an agricultural center and recreational destination.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

The LaSalle County Sheriff's Office is responsible for maintaining law and order in the county's unincorporated areas. The office oversees the LaSalle County Jail, processes arrests, and maintains criminal records. The Sheriff's Office is also involved in community policing efforts and operates specialized units such as the K-9 unit and drug enforcement task force. The office is committed to public safety and works closely with local police departments to address crime and ensure the security of residents.

Police Departments

LaSalle County is served by several law enforcement agencies, including the LaSalle County Sheriff's Office and municipal police departments. Key city police departments include the Ottawa Police Department, LaSalle Police Department, Peru Police Department, and Streator Police Department. These agencies have jurisdiction within their respective city limits and collaborate with the Sheriff's Office on major investigations and regional crime initiatives.

Law Enforcement & Arrests

The LaSalle County Sheriff's Office, located at 1200 State Route 351 in Ottawa, IL 61350, serves as the primary law enforcement agency for unincorporated areas of the county and provides countywide services. The Sheriff's Office operates the LaSalle County Jail and Detention Center at the same location, housing pretrial detainees and sentenced inmates. Citizens can contact the Sheriff's Office at (815) 433-2161. The LaSalle County Jail maintains an inmate roster that can be accessed by contacting the jail directly or visiting the facility.

  • The Sheriff's Office provides booking information including mugshots, charges, bond amounts, and booking dates for current inmates.
  • Citizens can request arrest records by submitting a FOIA request to the LaSalle County Sheriff's Office or the specific municipal police department that made the arrest.
  • Requests should be made in writing and should specify the name of the individual, approximate date of arrest, and type of information requested.
  • Some agencies may charge copying fees as permitted under FOIA.

Municipal police departments within LaSalle County include the Ottawa Police Department, Peru Police Department, Streator Police Department, Marseilles Police Department, Seneca Police Department, Mendota Police Department, Oglesby Police Department, La Salle Police Department, and Earlville Police Department, each serving their respective municipalities. Under the Illinois Freedom of Information Act (5 ILCS 140/1 et seq.), arrest records are generally public unless specifically exempted. The law enforcement agency must respond within five business days.

Mugshots and booking photos are considered public records in Illinois and are typically available through the jail or the arresting agency. The Illinois State Police also maintains the Illinois Uniform Crime Reporting program, which compiles arrest and crime statistics from all jurisdictions in LaSalle County.

Criminal, Arrest & Jail Records

Criminal Records

Criminal records in LaSalle County encompass felony, misdemeanor, traffic violations, and sex offender registry information. The LaSalle County Circuit Clerk's Office maintains these records, which are accessible to the public under Illinois law. To run a background check, individuals can contact the Illinois State Police Bureau of Identification, which provides comprehensive criminal history reports. The Illinois Bureau of Investigation offers additional resources for residents seeking detailed background information.

Arrest Records

Arrest records in LaSalle County are maintained by the LaSalle County Sheriff's Office. These records include details of the arrest, charges, and personal information of the arrestee. Residents and attorneys can request arrest records by contacting the Sheriff's Office directly, following the procedures outlined under the Illinois Freedom of Information Act (FOIA). A typical arrest record in LaSalle County contains the date of arrest, charges filed, and the arresting agency's name.

Jail & Inmate Records

The LaSalle County Jail, located in Ottawa, is the primary detention facility for individuals arrested within the county. The booking process involves photographing and fingerprinting detainees, and their information is entered into the jail's database. Inmate lookup services are available online, allowing the public to search for current inmates. Visitation rules at the jail require scheduling in advance, and visitors must adhere to strict guidelines.

  • The bond and bail process in Illinois allows for the release of detainees upon payment of a set amount, which can be arranged through the jail's administrative office.

Mugshots & Booking Photos

Mugshots in LaSalle County are taken and retained by the LaSalle County Sheriff's Office during the booking process. These booking photos are part of the public record and can be accessed through the Sheriff's Office website or by submitting a formal request. While Illinois does not have specific mugshot removal laws, individuals may seek removal through legal channels if the mugshot is deemed outdated or incorrect.

Courts & Case Records

LaSalle County is served by the Circuit Court of the Thirteenth Judicial Circuit, which is located at 707 Etna Road, Ottawa, IL 61350. The court can be reached at (815) 434-8671. The Circuit Court has original jurisdiction over all civil, criminal, family, probate, juvenile, and traffic matters arising in LaSalle County. The court is divided into several divisions including Criminal, Civil, Domestic Relations (family law), Probate, Traffic, and Juvenile. The Chief Judge oversees court administration and case assignments.

  • Illinois circuit courts handle felony criminal cases, civil cases exceeding $50,000, divorce and child custody matters, estate administration, and appeals from administrative agencies.
  • The Circuit Clerk's Office maintains all court records and provides public access to case information.
  • The Circuit Clerk charges statutory fees for certified copies, which typically range from $2 for the first page to $0.50 per additional page, plus a $6 certification fee.
707 Etna Road, Ottawa, IL 61350 • Phone: (815) 434-8671

Under Illinois Supreme Court Rules and the Illinois Freedom of Information Act (5 ILCS 140/1 et seq.), most court records are public unless sealed by court order or protected by statute. Citizens can search court records by visiting the Circuit Clerk's office in person or by contacting the office by phone. Online case search capabilities may be available through the Illinois Courts website or the county's own electronic filing system.

The Thirteenth Judicial Circuit may participate in the statewide e-filing system for civil and criminal cases. For traffic and misdemeanor offenses, some municipal courts within LaSalle County cities handle local ordinance violations, but most criminal matters are transferred to the Circuit Court. Probate matters including wills, estates, guardianships, and conservatorships are handled by the Probate Division of the Circuit Court.

Property & Public Records

The LaSalle County Recorder's Office, located at 707 Etna Road, Ottawa, IL 61350, maintains all land and property records for the county. The office can be reached at (815) 434-8202. The Recorder's Office preserves and provides public access to documents including warranty deeds, quit claim deeds, trust deeds, mortgages, mortgage releases, assignments, liens (including mechanic's liens, judgment liens, and tax liens), easements, plat maps, subdivision plats, and other instruments affecting real property.

  • Many counties in Illinois now offer online property record searches, and LaSalle County provides some level of digital access through its website.
  • Document images may be available for viewing and printing for a fee.
  • The office charges statutory recording fees and copy fees as established by Illinois law.
  • For certified copies, additional certification fees apply.
  • This service is typically available free of charge for general searches, though detailed reports or data downloads may require fees.
707 Etna Road, Ottawa, IL 61350 • Phone: (815) 434-8202

Under Illinois law (55 ILCS 5/3-5001 et seq.), these records are public and available for inspection and copying. The Recorder's Office maintains both current and historical records dating back to the county's formation. Property tax information is maintained by the LaSalle County Assessor's Office at 707 Etna Road, Ottawa, IL 61350, phone (815) 434-8517, and the LaSalle County Treasurer's Office at the same address, phone (815) 434-8715.

The Assessor's Office maintains property assessment records, parcel identification numbers, property characteristics, and assessed valuations. The Treasurer's Office handles tax collection and can provide payment history and delinquency information. LaSalle County offers a Geographic Information System (GIS) online parcel viewer that allows users to search by address, parcel number, or owner name to view parcel boundaries, assessment information, and property characteristics.

Vital Records

Vital records for LaSalle County, Illinois are maintained by multiple agencies depending on the record type and date. The LaSalle County Clerk's Office, located at 707 Etna Road, Ottawa, IL 61350, phone (815) 434-8671, maintains marriage licenses and marriage records. Couples wishing to marry in Illinois must apply for a marriage license in the county where the ceremony will take place or in the county where either party resides. Illinois does not have a waiting period, and marriage licenses are valid for 60 days. The fee for a marriage license is established by state statute.

  • The fee for a certified birth or death certificate from the state is $15 for the first copy and $4 for each additional copy of the same record ordered at the same time.
  • VitalChek, a private vendor, offers expedited online ordering through the state's website at www.idph.state.il.us for an additional processing fee.
  • Processing times vary from several days for mail requests to 24-48 hours for expedited service.
707 Etna Road, Ottawa, IL 61350 • Phone: (815) 434-8671

Birth and death certificates for events occurring in LaSalle County are available from the LaSalle County Clerk's Office for recent records, but the primary source for certified copies is the Illinois Department of Public Health, Division of Vital Records, 925 E. Ridgely Avenue, Springfield, IL 62702-2737, phone (217) 782-6553. Under Illinois law (410 ILCS 535/1 et seq.), birth and death certificates are restricted records available only to qualified applicants including the person named on the certificate (if 18 or older), parents, legal guardians, legal representatives, and others who demonstrate a direct and tangible interest.

Applicants must provide valid photo identification and proof of relationship to the person named on the certificate. Divorce records are maintained by the Circuit Clerk of LaSalle County at the courthouse, not the County Clerk. Historical vital records dating back to the county's formation may require research assistance from the County Clerk's archive.

Business & Licensing

Business and licensing records in LaSalle County, Illinois are maintained by multiple agencies depending on the type of business activity. The LaSalle County Clerk's Office at 707 Etna Road, Ottawa, IL 61350, phone (815) 434-8671, handles certain business registrations including assumed name certificates (DBA - doing business as) and fictitious business names for sole proprietorships and partnerships operating in the county. Illinois law requires businesses operating under a name other than the owner's legal name to file with the county clerk.

  • The filing fee is set by statute and the registration must be renewed periodically.
  • The Secretary of State maintains a searchable online database at www.ilsos.gov where the public can search for business entities by name, registered agent, or file number.
  • This database includes information about incorporation dates, registered agents, business addresses, and corporate status (active, dissolved, etc.).
  • For business development resources, the LaSalle County Chamber of Commerce, located in Ottawa, provides information and support to local businesses.
707 Etna Road, Ottawa, IL 61350 • Phone: (815) 434-8671

For corporations, limited liability companies, and other formal business entities, the primary registration is with the Illinois Secretary of State, Business Services Department. Professional licenses including those for contractors, healthcare providers, real estate agents, and other regulated professions are issued by the Illinois Department of Financial and Professional Regulation (IDFPR), and these can be verified online through the IDFPR website. Sales tax permits are issued by the Illinois Department of Revenue.

Building permits and zoning approvals in unincorporated areas of LaSalle County are handled by the LaSalle County Building and Zoning Department, while municipalities handle their own permitting within city limits. The LaSalle County Building and Zoning office can be reached through the county government center. Economic development initiatives are coordinated through local chambers and municipal economic development offices throughout the county's various cities.

Elections & Voter Records

Elections in LaSalle County, Illinois are administered by the LaSalle County Clerk, serving as the election authority for the county. The County Clerk's Office is located at 707 Etna Road, Ottawa, IL 61350, and the election division can be reached at (815) 434-8671. Voter registration in Illinois is available online through the Illinois State Board of Elections website at www.elections.il.gov, where eligible citizens can register to deliver or update their registration.

  • Illinois offers same-day voter registration during the early voting period and on Election Day, though pre-registering at least 30 days before an election is recommended.
  • To register, Illinois residents must be U.S.
  • Under Illinois election law (10 ILCS 5/1-1 et seq.), these records are available for inspection and copying, though fees may apply.
  • LaSalle County voters can request a vote-by-mail ballot by submitting an application to the County Clerk's Office, available on the county website or by calling the election division.
  • Applications must be received by the Thursday before Election Day for regular processing, though grace period voting is available.
707 Etna Road, Ottawa, IL 61350 • Phone: (815) 434-8671

The deadline for mail and online registration is 30 days before any election. citizens, at least 18 years old by Election Day, and have lived in their precinct for at least 30 days. Voters can find their polling place by contacting the LaSalle County Clerk's Office or by using the polling place lookup tool on the Illinois State Board of Elections website.

The County Clerk maintains a list of all precincts and polling locations, which is updated before each election. Illinois election records that are public include voter registration lists (excluding certain personal information like Social Security numbers and dates of birth), campaign finance reports filed by candidates and political committees, candidate filing documents, and official election results by precinct. LaSalle County typically experiences voter turnout of 60-70% in presidential election years and 40-50% in midterm elections, generally tracking with state averages.

In the 2024 general election, LaSalle County saw turnout consistent with historical patterns for the county. The next major election is November 3, 2026, which will include U.S. House of Representatives races for Illinois' 16th Congressional District (which includes most of LaSalle County), state legislative races, county offices, and various local positions.

Illinois offers no-excuse absentee voting by mail. Voters can also participate in early voting at designated locations in Ottawa and potentially other sites within the county, typically beginning 40 days before Election Day. The County Clerk's office provides transparency by publishing election results by precinct on election night and maintaining historical election data.

Campaign finance disclosure documents for local candidates are available for public inspection at the County Clerk's office.

Economy & Demographics

LaSalle County's economy is diverse, combining traditional agricultural production with manufacturing, logistics, energy production, and tourism. Agriculture remains a cornerstone economic sector, with the county's 1,148 square miles containing some of Illinois' most productive farmland. Corn and soybeans are the primary crops, and the county supports significant livestock operations. Manufacturing has long been important to the local economy, with Peru and Streator serving as manufacturing centers.

  • Census data, the median household income in LaSalle County is approximately $60,000 to $65,000, somewhat below the Illinois state median.

Major employers in the county include Carus Corporation (chemical manufacturing in Peru), Diageo (spirits production in Relay), Roquette America (corn processing in Keokuk), Vallen Distribution (industrial supplies in Peru), and numerous other manufacturers producing automotive parts, industrial equipment, and consumer goods. The Illinois River corridor supports barge transportation and related logistics operations. Energy production is significant, with the LaSalle County Generating Station (nuclear power plant) near Seneca being one of the largest employers in the county and a major contributor to the regional power grid.

Tourism contributes substantially to the local economy, particularly in the Starved Rock area, where Starved Rock State Park attracts over two million visitors annually. The park's proximity has supported development of lodges, restaurants, and recreational businesses. Retail and service sectors are concentrated in Ottawa, Peru, and Streator.

According to U.S. The county's unemployment rate typically tracks close to or slightly above the state average, fluctuating between 4% and 6% in normal economic conditions. Recent economic development efforts have focused on downtown revitalization in Ottawa and Peru, expansion of recreational tourism assets, and attraction of distribution centers taking advantage of the county's location along Interstate 39 and Interstate 80.

The closure or downsizing of some legacy manufacturing operations has been offset by growth in logistics, healthcare, and service sectors.

Transparency Score

Court Records: ✅ Online Access Available | Property: ✅ Online GIS/Search | Arrest/Jail: ⚠️ Contact Required | Vital Records: ⚠️ In-Person/Mail/State | Business: ✅ Online (State) | Elections: ✅ Online Resources | Overall Score: 7/10 — LaSalle County provides good digital access to property and court information, with election resources available through state and county systems, though some records require direct contact.

Official Government Resources

Frequently Asked Questions

How can I search for someone recently arrested in LaSalle County, Illinois?
To search for someone recently arrested in LaSalle County, Illinois, you can contact the LaSalle County Jail, located at 707 Etna Road, Ottawa, IL. The jail provides an inmate lookup service where you can inquire about current detainees. You may also call the jail directly at (815) 434-8383 for more information on recent arrests and inmate details.
Mugshots or booking photos in LaSalle County, Illinois, can be obtained through the LaSalle County Sheriff's Office. The office is located at 707 Etna Road, Ottawa, IL. While some information may be available online, you may need to visit the office in person or call them at (815) 433-2161 to request specific booking photos.
To obtain a criminal background check in LaSalle County, Illinois, you should contact the Illinois State Police Bureau of Identification. You can request a background check through their online system or by submitting a fingerprint-based request. For local assistance, you may also visit the LaSalle County Sheriff's Office for guidance on the process.
You can look up sex offenders in LaSalle County, Illinois, by accessing the Illinois Sex Offender Registry. This registry is maintained by the Illinois State Police and provides a searchable online database. You can search by name, address, or zip code to find registered sex offenders in the area.
Voter registration in LaSalle County is handled by the LaSalle County Clerk's Office, located at 707 Etna Road, Ottawa, IL 61350. Illinois residents can register online at www.elections.il.gov, by mail, or in person at the County Clerk's office. The deadline for mail and online registration is 30 days before any election, but Illinois also offers same-day voter registration during the early voting period and on Election Day. You can request a vote-by-mail ballot by contacting the County Clerk's election division at (815) 434-8671 or through the online application available on the Illinois State Board of Elections website.
Property records in LaSalle County are maintained by the LaSalle County Recorder's Office at 707 Etna Road, Ottawa, IL 61350, phone (815) 434-8202. The Recorder maintains deeds, mortgages, liens, easements, and other documents affecting real property. LaSalle County offers online access to property records through its website, including a GIS parcel viewer that allows searches by address, parcel number, or owner name. For property tax information and assessments, contact the LaSalle County Assessor's Office at (815) 434-8517, located at the same courthouse complex.
Certified birth and death certificates for events in LaSalle County are available from the Illinois Department of Public Health, Division of Vital Records, 925 E. Ridgely Avenue, Springfield, IL 62702-2737, phone (217) 782-6553. Recent records may also be available through the LaSalle County Clerk's Office at 707 Etna Road, Ottawa, phone (815) 434-8671. The fee is $15 for the first certified copy and $4 for each additional copy ordered at the same time. Expedited online ordering is available through VitalChek at www.idph.state.il.us for an additional fee, with processing times ranging from several days to 24-48 hours depending on service level.
Business records in LaSalle County can be found through multiple sources depending on the business type. The LaSalle County Clerk's Office at (815) 434-8671 maintains assumed name (DBA) filings for sole proprietorships and partnerships. For corporations and LLCs, search the Illinois Secretary of State business database at www.ilsos.gov, which is free and provides information on registered businesses, agents, and corporate status. Municipal business licenses are issued by individual cities within the county, so contact the city clerk's office in Ottawa, Peru, Streator, or other municipalities for local licensing information.