Henderson County, IL Demographics
Henderson County, IL is the 91st most populous of 102 counties in Illinois, with 6,387 residents across 379 square miles. That is about 17 people per square mile.
At the 2020 census
| Population | 6,387 |
|---|---|
| Land area | 379 sq mi |
| Density | 17 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Henderson County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Henderson County, IL
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Henderson County, IL — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Henderson County, IL
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9735 | 2,687 | 171.7 | 16 |
| Census Tract 9733 | 1,999 | 85.4 | 23 |
| Census Tract 9734 | 1,701 | 121.7 | 14 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Henderson County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.