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Adair County, MO Demographics

Adair County, MO is the 41st most populous of 115 counties in Missouri, with 25,314 residents across 567 square miles. That is about 45 people per square mile.

At the 2020 census

Population 25,314
Land area 567 sq mi
Density 45 / sq mi

Data: 2020 Census · American Community Survey 2024

How Adair 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: Adair County, MO

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

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

Census tracts in Adair County, MO

Name Population Sq mi Per sq mi
Census Tract 9504 4,193 7.6 552
Census Tract 9505.01 3,923 19.0 207
Census Tract 9501 3,706 253.5 15
Census Tract 9505.02 3,263 7.7 426
Census Tract 9503 2,925 8.1 359
Census Tract 9502 2,811 270.8 10
Census Tract 9510 2,344 0.3 9,029
Census Tract 9509 2,138 0.5 4,438

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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 →