Jo Daviess County, IL Demographics
Jo Daviess County, IL is the 53rd most populous of 102 counties in Illinois, with 22,035 residents across 601 square miles. That is about 37 people per square mile.
At the 2020 census
| Population | 22,035 |
|---|---|
| Land area | 601 sq mi |
| Density | 37 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Jo Daviess 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: Jo Daviess County, IL
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Jo Daviess County, IL — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Jo Daviess County, IL
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 203 | 4,909 | 42.2 | 116 |
| Census Tract 202 | 4,800 | 44.8 | 107 |
| Census Tract 205 | 2,995 | 123.8 | 24 |
| Census Tract 204.02 | 2,896 | 159.2 | 18 |
| Census Tract 201.02 | 2,460 | 83.7 | 29 |
| Census Tract 204.01 | 2,197 | 70.8 | 31 |
| Census Tract 201.01 | 1,778 | 76.4 | 23 |
Related places
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.