Welcome

This county is adoptable.

See this webpage for more information if you are interested.

Contact: IlGenWeb State Coordinator

Our previous County Coordinator, Joe Markovich passed away June 2, 2023.
Joe was County Coordinator on behalf of six states and many counties.
Learn more about his other genealogy websites here.

Henderson County is located in the Mississippi River Basin in west-central Illinois. It is bounded on the west by the Mississippi river and Iowa.

Named after Henderson County in Kentucky through the influence of emigrants from that county. Henderson County, Kentucky, was named for Colonel Richard Henderson, an eighteenth-century pioneer and land speculator.

Oquawka is the county seat of Henderson County, IL. According to the 2020 census the county has a population of 6,387.

The County clerk has birth, marriage, and death records from 1878, land records from 1841.

Clerk of the circuit court has divorce, probate and civil records from 1841.

Henderson County Courthouse
307 Warren St. PO Box 308
Oquawka, IL 61469
309-867-2911 – County Clerk
309-867-3121 – Circuit Clerk
309-867-2911 – Recorder
Email: coclerk@mchsi.com