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Clinton County, MO Demographics

Clinton County, MO is the 53rd most populous of 115 counties in Missouri, with 21,184 residents across 419 square miles. That is about 51 people per square mile.

At the 2020 census

Population 21,184
Land area 419 sq mi
Density 51 / sq mi

Data: 2020 Census · American Community Survey 2024

How Clinton 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: Clinton County, MO

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

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

Census tracts in Clinton County, MO

Name Population Sq mi Per sq mi
Census Tract 9601 5,430 8.3 658
Census Tract 9604 4,469 130.9 34
Census Tract 9603 4,228 142.8 30
Census Tract 9602.02 4,012 115.8 35
Census Tract 9602.01 3,045 21.2 144

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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 →