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Butler County, MO Demographics

Butler County, MO is the 27th most populous of 115 counties in Missouri, with 42,130 residents across 695 square miles. That is about 61 people per square mile.

At the 2020 census

Population 42,130
Land area 695 sq mi
Density 61 / sq mi

Data: 2020 Census · American Community Survey 2024

How Butler 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: Butler County, MO

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

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

Census tracts in Butler County, MO

Name Population Sq mi Per sq mi
Census Tract 9502.02 6,018 78.7 77
Census Tract 9502.01 5,476 106.0 52
Census Tract 9506 3,834 181.4 21
Census Tract 9503.01 3,745 2.9 1,272
Census Tract 9501.01 3,675 78.1 47
Census Tract 9509 3,370 167.7 20
Census Tract 9503.02 3,289 2.3 1,430
Census Tract 9504 3,171 2.3 1,377
Census Tract 9508 2,808 4.6 609
Census Tract 9507 2,587 2.9 906
Census Tract 9505 2,285 8.8 259
Census Tract 9501.02 1,872 58.9 32

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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 →