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Tazewell County, IL Demographics

Tazewell County, IL is the 16th most populous of 102 counties in Illinois, with 131,343 residents across 646 square miles. That is about 203 people per square mile.

At the 2020 census

Population 131,343
Land area 646 sq mi
Density 203 / sq mi

Data: 2020 Census · American Community Survey 2024

How Tazewell 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: Tazewell County, IL

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Tazewell County, IL — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Tazewell County, IL

Name Population Sq mi Per sq mi
Census Tract 215 6,940 24.6 282
Census Tract 211.01 6,352 1.9 3,328
Census Tract 216.06 6,158 10.5 589
Census Tract 223 6,033 5.5 1,090
Census Tract 217.01 5,916 74.5 79
Census Tract 216.03 5,752 14.0 412
Census Tract 211.02 5,730 2.1 2,685
Census Tract 217.02 5,547 67.3 82
Census Tract 210 5,251 1.0 5,467
Census Tract 218.01 5,040 18.1 278
Census Tract 204 4,979 3.5 1,412
Census Tract 203.02 4,929 5.0 991
Census Tract 212.01 4,919 15.5 317
Census Tract 212.03 4,866 2.5 1,973
Census Tract 224 4,671 5.9 787
Census Tract 203.01 4,544 5.6 811
Census Tract 222 4,449 9.3 477
Census Tract 219 4,351 131.0 33
Census Tract 207 4,281 2.6 1,669
Census Tract 205 4,267 7.1 599
Census Tract 220 4,090 131.0 31
Census Tract 221 3,352 24.1 139
Census Tract 212.02 3,139 2.0 1,549
Census Tract 208 2,909 1.1 2,557
Census Tract 216.05 2,642 0.6 4,179
Census Tract 201 2,458 4.8 511
Census Tract 206 1,984 0.4 4,460
Census Tract 218.02 1,939 70.1 28
Census Tract 209 1,934 0.9 2,042
Census Tract 216.04 1,921 3.6 527

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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.

Read how BlockAtlas computes population within an area →