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Douglas County, MO Demographics

Douglas County, MO is the 78th most populous of 115 counties in Missouri, with 11,578 residents across 814 square miles. That is about 14 people per square mile.

At the 2020 census

Population 11,578
Land area 814 sq mi
Density 14 / 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, MO

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

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

Census tracts in Douglas County, MO

Name Population Sq mi Per sq mi
Census Tract 9502 4,605 338.9 14
Census Tract 9505 4,209 41.3 102
Census Tract 9501 2,764 433.4 6

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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 →