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Butler County, PA Demographics

Butler County, PA is the 19th most populous of 67 counties in Pennsylvania, with 193,767 residents across 789 square miles. That is about 245 people per square mile.

At the 2020 census

Population 193,767
Land area 789 sq mi
Density 245 / 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, PA

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

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

Census tracts in Butler County, PA

Name Population Sq mi Per sq mi
Census Tract 9118 7,628 44.7 171
Census Tract 9128 6,820 23.1 295
Census Tract 9120.02 6,650 3.7 1,812
Census Tract 9123.01 6,514 6.6 985
Census Tract 9110 6,159 48.8 126
Census Tract 9124.04 6,130 3.7 1,649
Census Tract 9120.01 5,542 5.3 1,054
Census Tract 9112 5,268 23.5 224
Census Tract 9115.01 5,212 22.9 227
Census Tract 9113 5,166 47.4 109
Census Tract 9124.05 5,150 11.0 467
Census Tract 9109 5,133 6.8 760
Census Tract 9116 4,990 24.3 206
Census Tract 9103.01 4,933 29.7 166
Census Tract 9111 4,931 24.1 205
Census Tract 9117 4,901 23.8 206
Census Tract 9119 4,854 2.4 1,984
Census Tract 9102 4,742 101.0 47
Census Tract 9030 4,723 7.9 597
Census Tract 9127.02 4,561 14.7 311
Census Tract 9121.01 4,386 1.3 3,392
Census Tract 9115.02 4,333 24.5 177
Census Tract 9103.02 4,237 55.1 77
Census Tract 9106 4,142 49.4 84
Census Tract 9123.04 4,106 3.6 1,140
Census Tract 9101 4,090 74.8 55
Census Tract 9025 3,821 0.7 5,815
Census Tract 9023 3,544 0.7 5,144
Census Tract 9124.03 3,454 6.1 568
Census Tract 9114 3,361 23.8 141
Census Tract 9127.01 3,339 9.5 353
Census Tract 9122 3,288 1.7 1,914
Census Tract 9026 3,082 2.0 1,539
Census Tract 9104 3,081 1.7 1,855
Census Tract 9123.03 2,922 0.8 3,608
Census Tract 9107 2,769 23.7 117
Census Tract 9108 2,766 17.6 157
Census Tract 9028 2,713 2.5 1,080
Census Tract 9031 2,639 4.9 537
Census Tract 9121.02 2,607 0.7 3,557
Census Tract 9124.06 2,469 2.9 865
Census Tract 9801 2,397 0.6 4,354
Census Tract 9021 2,225 0.4 5,410
Census Tract 9027 2,125 1.1 1,851
Census Tract 9024 2,002 0.4 4,761
Census Tract 9029 1,948 3.1 622
Census Tract 9022 1,910 0.5 3,531

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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 →