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Butler County, OH Demographics

Butler County, OH is the 7th most populous of 88 counties in Ohio, with 390,357 residents across 467 square miles. That is about 837 people per square mile.

At the 2020 census

Population 390,357
Land area 467 sq mi
Density 837 / 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, OH

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

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

Census tracts in Butler County, OH

Name Population Sq mi Per sq mi
Census Tract 112 8,868 7.7 1,147
Census Tract 111.34 8,101 5.4 1,489
Census Tract 111.20 8,072 4.7 1,700
Census Tract 150 7,616 31.4 243
Census Tract 109.06 7,444 3.3 2,272
Census Tract 151 7,389 7.6 977
Census Tract 110.05 7,208 6.0 1,202
Census Tract 111.35 7,199 5.6 1,280
Census Tract 113 7,038 6.5 1,085
Census Tract 148 6,963 3.3 2,131
Census Tract 111.11 6,690 3.0 2,208
Census Tract 108 6,672 28.9 231
Census Tract 111.12 6,670 2.6 2,528
Census Tract 110.04 6,442 5.7 1,127
Census Tract 118 6,411 2.2 2,942
Census Tract 110.03 6,405 2.3 2,728
Census Tract 111.23 6,042 7.5 802
Census Tract 10.01 5,907 2.7 2,170
Census Tract 110.06 5,767 3.3 1,754
Census Tract 111.22 5,704 2.0 2,883
Census Tract 10.02 5,603 1.9 2,993
Census Tract 109.03 5,563 2.2 2,497
Census Tract 101.04 5,545 0.4 13,902
Census Tract 111.30 5,398 1.9 2,896
Census Tract 111.10 5,373 2.6 2,047
Census Tract 102.03 5,345 36.8 145
Census Tract 149 5,265 5.3 988
Census Tract 136 5,239 1.4 3,876
Census Tract 102.02 5,238 61.5 85
Census Tract 109.09 5,165 4.4 1,173
Census Tract 101.03 5,129 6.5 784
Census Tract 111.36 5,042 2.4 2,085
Census Tract 125 5,024 1.7 2,972
Census Tract 111.26 5,013 1.9 2,707
Census Tract 109.10 4,894 2.0 2,452
Census Tract 109.01 4,882 2.1 2,313
Census Tract 4 4,747 0.9 5,190
Census Tract 143 4,736 22.3 213
Census Tract 1 4,733 0.8 5,759
Census Tract 6 4,680 0.9 5,435
Census Tract 111.27 4,584 1.3 3,453
Census Tract 5 4,520 0.8 5,548
Census Tract 111.09 4,504 3.7 1,225
Census Tract 111.33 4,450 3.5 1,272
Census Tract 13 4,443 1.7 2,563
Census Tract 111.32 4,400 3.0 1,453
Census Tract 111.29 4,396 1.8 2,397
Census Tract 103.01 4,378 36.7 119
Census Tract 11 4,287 0.7 6,480
Census Tract 2 4,253 1.4 3,053
Census Tract 109.11 4,145 3.7 1,122
Census Tract 147 4,059 0.6 6,385
Census Tract 109.04 3,812 1.2 3,200
Census Tract 111.25 3,744 2.1 1,817
Census Tract 3 3,574 1.0 3,429
Census Tract 101.05 3,560 0.6 5,678
Census Tract 111.31 3,545 3.7 970
Census Tract 103.02 3,523 36.6 96
Census Tract 109.13 3,518 1.2 2,834
Census Tract 111.18 3,487 3.0 1,178
Census Tract 122 3,462 2.6 1,324
Census Tract 111.37 3,462 1.6 2,128
Census Tract 132 3,389 0.5 7,459
Census Tract 106 3,249 17.6 185
Census Tract 101.06 3,241 0.4 8,822
Census Tract 121 3,170 8.5 371
Census Tract 127 3,153 0.8 4,201
Census Tract 135 2,980 0.6 4,700
Census Tract 101.02 2,965 3.2 939
Census Tract 111.28 2,953 1.6 1,864
Census Tract 139 2,805 1.5 1,831
Census Tract 109.07 2,704 1.0 2,589
Census Tract 140 2,687 1.6 1,706
Census Tract 102.01 2,451 0.6 3,807
Census Tract 126 2,439 1.2 1,990
Census Tract 124 2,439 1.6 1,523
Census Tract 105 2,336 1.0 2,306
Census Tract 133 2,335 0.7 3,226
Census Tract 141 2,333 5.7 406
Census Tract 109.12 2,318 1.0 2,342
Census Tract 134 2,237 0.3 6,411
Census Tract 131 2,182 0.5 4,251
Census Tract 123 2,121 0.6 3,468
Census Tract 144 1,809 0.5 3,298
Census Tract 130 1,555 0.6 2,594
Census Tract 146 1,178 0.5 2,328

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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.

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