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Eau Claire County, WI Demographics

Eau Claire County, WI is the 15th most populous of 72 counties in Wisconsin, with 105,710 residents across 638 square miles. That is about 166 people per square mile.

At the 2020 census

Population 105,710
Land area 638 sq mi
Density 166 / sq mi

Data: 2020 Census · American Community Survey 2024

How Eau Claire 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: Eau Claire County, WI

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

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

Census tracts in Eau Claire County, WI

Name Population Sq mi Per sq mi
Census Tract 3.02 8,369 54.2 154
Census Tract 16 6,547 126.8 52
Census Tract 8.03 6,265 2.5 2,496
Census Tract 4.02 5,814 2.9 1,996
Census Tract 13 5,689 5.2 1,091
Census Tract 12 5,318 1.5 3,638
Census Tract 17 5,254 1.0 5,409
Census Tract 7 5,110 1.4 3,585
Census Tract 1 5,094 186.1 27
Census Tract 9 5,056 2.7 1,889
Census Tract 5.01 4,940 2.5 2,013
Census Tract 5.02 4,939 3.3 1,500
Census Tract 6 4,900 1.8 2,704
Census Tract 2 4,834 179.7 27
Census Tract 14.02 3,989 1.1 3,611
Census Tract 8.02 3,944 1.9 2,086
Census Tract 3.01 3,883 29.8 130
Census Tract 15 3,859 27.7 139
Census Tract 8.01 3,779 1.0 3,604
Census Tract 14.01 3,449 1.5 2,293
Census Tract 4.01 2,637 3.0 893
Census Tract 11.01 2,041 0.4 5,638

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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 →