Kendall County, IL Demographics
Kendall County, IL is the 15th most populous of 102 counties in Illinois, with 131,869 residents across 320 square miles. That is about 412 people per square mile.
At the 2020 census
| Population | 131,869 |
|---|---|
| Land area | 320 sq mi |
| Density | 412 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Kendall 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: Kendall County, IL
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Kendall County, IL — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Kendall County, IL
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 8904.04 | 9,887 | 3.2 | 3,097 |
| Census Tract 8904.02 | 9,883 | 9.6 | 1,032 |
| Census Tract 8905.01 | 9,398 | 19.7 | 476 |
| Census Tract 8907.03 | 9,048 | 107.3 | 84 |
| Census Tract 8901.05 | 9,032 | 12.2 | 743 |
| Census Tract 8904.01 | 6,290 | 12.0 | 524 |
| Census Tract 8903.01 | 6,159 | 2.8 | 2,189 |
| Census Tract 8903.02 | 6,091 | 1.8 | 3,337 |
| Census Tract 8901.04 | 6,050 | 1.9 | 3,144 |
| Census Tract 8904.03 | 5,970 | 3.6 | 1,666 |
| Census Tract 8906.02 | 5,700 | 68.2 | 84 |
| Census Tract 8907.02 | 5,527 | 33.4 | 166 |
| Census Tract 8901.03 | 5,506 | 2.1 | 2,668 |
| Census Tract 8901.08 | 5,473 | 11.4 | 481 |
| Census Tract 8907.01 | 5,364 | 1.0 | 5,375 |
| Census Tract 8901.06 | 4,966 | 1.7 | 2,992 |
| Census Tract 8901.07 | 4,869 | 4.6 | 1,048 |
| Census Tract 8905.02 | 4,638 | 15.5 | 299 |
| Census Tract 8906.01 | 4,513 | 7.0 | 645 |
| Census Tract 8902.01 | 4,416 | 0.8 | 5,557 |
| Census Tract 8902.02 | 3,089 | 0.5 | 5,821 |
Related places
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Metro areas containing Kendall 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.