About Lake County, Illinois
Lake County is located in northeast Illinois. The county seat is Waukegan (official site: https://www.lakecountyil.gov/).
- Population: 705,186
- Households: 260,550
- Median household income: $77,469
- Median home value: $254,800
- Below poverty line: 9%
- Land area: 443.7 sq mi
- Population density: 1,585.6 people / sq mi
- Public libraries indexed: 27
- NCES schools indexed: 198
Lake County
Official Free
Lake County, Illinois official website, including government information, contacts, departments, schedules, events, business services, social services, maps, and more.
Court Records — 1840-1898
Official Free
Illinois State Archives database of Lake County Circuit Court Case Files for the period 1840-1898.
Court Records
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Lake County Clerk of the Circuit Court access to 19th Judicial Circuit Court records.
Most Wanted — Deadbeat Parents
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Lake County Sheriff's office list of most wanted child support deadbeat parents.
Most Wanted — Sex Offenders
Official Free
Lake County Sheriff's Office list of non-compliant wanted sex offenders.
Property — Tax Payments
Official Free
Lake County Treasurer's Office current tax payment status search.
Property — Assessment
Official Free
Lake County Assessment Office property assessment records searchable by address or PIN.