Butler County, Pennsylvania Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 19th-largest in Pennsylvania
The population of Butler County, Pennsylvania is 195,870 as of the 2023 American Community Survey, making it the 19th-largest county in Pennsylvania. The median household income is $86,775, the median home value is $275,600, and the median age is 43.3.
The population of Butler County has grown 8.3% since 2010 (184,085 → 199,341), a +0.57% annualized rate.
195,870
Population
+0.57%
Annual growth
248
People / sq mi
$86,775
Median Income
$275,600
Median Home Value
Butler County covers 789 sq mi of land at 248.1 people per square mile.
About Butler County, PA
Butler County is defined demographically by education — 38.6% of adults hold a bachelor’s degree, above the national average. With 195,870 residents, Butler County is a county in Pennsylvania. It ranks #19 among counties in Pennsylvania by population.
Households here are among the highest-earning of all US counties: median income is $86,775, above the US median of $78,538. The poverty rate, 5.0%, is on the lower side for US counties and below the national 12.4%. The median home value is $275,600, with typical rent around $1,018.
Degree attainment is near the top of the range for US counties: 38.6% of adults 25+ hold a bachelor’s, above the 35.0% national rate. A solid 13.9% of workers are based at home, close to the national 14.0%, and the average commute runs about 27 minutes each way.
The education numbers are the throughline: a college-heavy population in Butler County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Butler County Population History (2010-2024)
The county of Butler County had a population of 184,085 in 2010 and 199,341 in 2024, a 8.3% growth over 14 years. The peak was 199,341 in 2024. Average annual growth rate: 0.57%.
199,341
Population (2024)
184,085
Population (2010)
199,341
Peak (2024)
0.57%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 184,085 |
| 2011 | 184,766 |
| 2012 | 185,016 |
| 2013 | 185,185 |
| 2014 | 185,874 |
| 2015 | 186,046 |
| 2016 | 186,427 |
| 2017 | 187,083 |
| 2018 | 188,031 |
| 2019 | 188,313 |
| 2020 | 194,069 |
| 2021 | 196,773 |
| 2022 | 197,422 |
| 2023 | 198,665 |
| 2024 | 199,341 |
Race & Ethnicity
| White | 93.8% |
| Black or African American | 1.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Age & Sex
43.3
Median Age
50.1%
Female
49.9%
Male
20.1%
Age 65+
Age Distribution
Children (under 15): 15.9% · Seniors (65+): 20.1%
Income & Poverty
| Median household income | $86,775+$10,694 vs state |
| Mean household income | $113,602 |
| Per-capita income | $47,658 |
| Poverty rate | 5.0%-3.1% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 59.8% |
Top Industries by Employment
The largest employment sector in Butler County is professional & business services, accounting for 23.5% of workers.
How residents commute
0.3%
Drive alone
2.1%
Carpool
76.3%
Public transit
13.9%
Work from home
27.3 min
Avg commute
Housing
$275,600+$35,100 vs state
Median home value
$1,018
Median rent
76.4%
Homeownership rate
86,399
Total housing units
92.9%
Occupied
7.1%
Vacant
23.6%
Renter-occupied
Social & access
96.8%
With health insurance
93.4%
With broadband internet
15.1%
Foreign-born
7.3%
Veterans (18+)
13.2%
With a disability
96.8%
Speak language other than English at home
Education
95.7%
High School+
38.6%
Bachelor's+
Largest cities in Pennsylvania
Other counties in Pennsylvania
Part of Pennsylvania
Metro areas in Pennsylvania
County rankings
Frequently Asked Questions
Butler County, Pennsylvania has a population of 195,870 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 19th-largest county in Pennsylvania. Population density is 248 people per square mile.
The population of Butler County has grown 8.3% since 2010 (184,085 → 199,341), a +0.57% annualized rate.
The median household income in Butler County, Pennsylvania is $86,775, with mean (average) household income of $113,602 and per-capita income of $47,658. 5.0% of residents live below the federal poverty level.
In Butler County, the largest racial and ethnic groups are White (93.8%), Black or African American (1.0%), Hispanic or Latino (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Butler County, Pennsylvania is 43.3 years. Residents are 50.1% female and 49.9% male.
The median home value in Butler County is $275,600 and median monthly rent is $1,018. 76.4% of occupied housing units are owner-occupied. The county has 86,399 total housing units, 7.1% of which are vacant.
The largest employment sector in Butler County, Pennsylvania is professional, scientific, and management services, employing 23.5% of workers. The unemployment rate is 2.7%.
Philadelphia is among the largest cities associated with Butler County, Pennsylvania, with a population of 1,582,432.
Butler County, PA Climate
Butler County, PA has an average annual temperature of 9.4°C (49°F) and receives about 1022 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.4°C
Avg Temp
1022
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 25° | 65 mm |
| February | -2° / 28° | 58 mm |
| March | 3° / 37° | 82 mm |
| April | 9° / 48° | 83 mm |
| May | 14° / 58° | 100 mm |
| June | 19° / 66° | 109 mm |
| July | 21° / 70° | 105 mm |
| August | 21° / 69° | 95 mm |
| September | 17° / 62° | 90 mm |
| October | 11° / 51° | 73 mm |
| November | 5° / 41° | 84 mm |
| December | -1° / 31° | 78 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Butler County, PA
The most comfortable months to visit Butler County, PA are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -8°C low). June is usually the wettest month.
Where to stay near Butler County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.