Knollwood, IL Public Records
Knollwood is an unincorporated community (a census-designated place) in Lake County, Illinois, with an estimated population of 1,864 (U.S. Census Bureau, 2020–2024 American Community Survey) and 0.6 square miles of land.
🏢 Local Government for Knollwood
Knollwood is not an incorporated city or town, so it has no city hall, town clerk or local government of its own. Local government services and records for Knollwood come from Lake County and from the township or town government whose territory includes it. Birth and death certificates, marriage records, deeds and court files come from the county and state offices below.
Population figure: U.S. Census Bureau, 2020–2024 American Community Survey 5-year estimate for the Knollwood census-designated place (a statistical area, not a government).
↑ Back to record types🏛️ County Courthouse & Records Office for Knollwood
Knollwood is in Lake County. In Illinois, deeds, mortgages and other land records are recorded by the county Recorder (in some counties, the County Clerk). Divorce cases in Illinois are heard by the Circuit Court in each county. Wills and estates in Illinois are handled by the Circuit Court in each county.
📍 Lake County at a Glance
| County | Lake County |
| County population (2024 est.) | 718,604 Source: www2.census.gov ↗ |
⚖️ Lake County Circuit Clerk
| Address | 18 North County Street, Waukegan, Illinois 60085-4340 |
| Directions | Get directions ↗ |
| Phone | (847) 377-3380 |
| Hours | Not stated |
| Records available | Circuit court case records (civil, criminal, traffic, family, probate, small claims) |
| Official website | Not stated |
| Sources | illinoiscourts.gov/…/circuit-court-clerks ↗ |
| Last verified | October 16, 2026 |
See the full Lake County records page →
↑ Back to record types📋 Where to Get Records for Knollwood
Where to get the most-requested public records for people and property in Knollwood, IL:
📋 Knollwood Records Guide
| Birth & death certificates | Illinois Department of Public Health – Vital RecordsIn Illinois, certified birth and death certificates can also be ordered from the County Clerk. |
| Deeds & property records | In Illinois, deeds, mortgages and other land records are recorded by the county Recorder (in some counties, the County Clerk). |
| Court cases & divorce | Lake County courthouse. Divorce cases in Illinois are heard by the Circuit Court in each county. |
| Wills & estates | Wills and estates in Illinois are handled by the Circuit Court in each county. |
| State court system | Illinois Courts |
| Sex offender registry | Illinois Sex Offender Registry (Illinois State Police) |