Perry County, IL Demographics
Perry County, IL is the 57th most populous of 102 counties in Illinois, with 20,945 residents across 442 square miles. That is about 47 people per square mile.
At the 2020 census
| Population | 20,945 |
|---|---|
| Land area | 442 sq mi |
| Density | 47 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Perry 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: Perry County, IL
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Perry County, IL — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Perry County, IL
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 302 | 7,114 | 57.0 | 125 |
| Census Tract 306 | 3,910 | 2.7 | 1,428 |
| Census Tract 301 | 2,902 | 159.3 | 18 |
| Census Tract 305 | 2,526 | 56.3 | 45 |
| Census Tract 304 | 2,432 | 23.4 | 104 |
| Census Tract 303 | 2,061 | 143.1 | 14 |
Related places
Other counties nearby
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.