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Douglas County, KS Demographics

Douglas County, KS is the 5th most populous of 105 counties in Kansas, with 118,785 residents across 456 square miles. That is about 261 people per square mile.

At the 2020 census

Population 118,785
Land area 456 sq mi
Density 261 / sq mi

Data: 2020 Census · American Community Survey 2024

How Douglas 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: Douglas County, KS

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

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

Census tracts in Douglas County, KS

Name Population Sq mi Per sq mi
Census Tract 6.03 10,171 5.7 1,776
Census Tract 12.02 7,613 43.9 173
Census Tract 12.03 7,161 76.3 94
Census Tract 6.02 6,515 2.9 2,242
Census Tract 8.01 5,900 3.7 1,601
Census Tract 10.02 5,885 5.0 1,169
Census Tract 8.02 5,859 1.9 3,082
Census Tract 6.04 5,331 1.4 3,747
Census Tract 5.02 5,014 0.9 5,691
Census Tract 2.02 4,971 1.2 4,263
Census Tract 7.97 4,944 1.7 2,840
Census Tract 4 4,884 1.4 3,561
Census Tract 14 4,759 196.9 24
Census Tract 3.01 4,470 0.3 13,952
Census Tract 7.01 4,061 1.0 4,063
Census Tract 9.04 3,921 0.6 7,116
Census Tract 7.04 3,435 0.8 4,235
Census Tract 5.01 3,130 1.3 2,361
Census Tract 7.03 2,973 0.7 4,206
Census Tract 1 2,775 19.5 142
Census Tract 10.01 2,654 2.5 1,059
Census Tract 9.02 2,400 1.7 1,447
Census Tract 15 2,383 39.8 60
Census Tract 2.01 2,118 2.6 802
Census Tract 3.02 1,881 0.3 7,230
Census Tract 9.03 1,790 0.5 3,534
Census Tract 12.01 1,787 41.2 43

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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 →