County · Pennsylvania

Butler County, Pennsylvania

Butler County, Pennsylvania. Butler County had 200,169 residents in 2025 by the Census Bureau's estimate, up 3.3% since 2020, faster than Pennsylvania (+0.4%). It holds 71 places (24 cities, villages and boroughs, 33 towns and townships and 14 census-designated) and 47 census tracts. GEOID 42019.

Butler County is one of the 8 counties of the Pittsburgh, PA metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

200,169

Census Bureau estimate (no margin published)
2020 Census count: 193,763 · ACS 2020-2024: 197,254

Median household income

$89,843

±$2,409 (90% margin)
Pennsylvania: $77,971

Median home value

$294,200

±$5,907 (90% margin)
Pennsylvania: $254,500

Median gross rent

$1,041

±$35 (90% margin)
Pennsylvania: $1,209

How many people live in Butler County, and is it growing?

The 2020 Census counted 193,763 residents in Butler County. The Census Bureau estimates 200,169 for July 1, 2025, up 3.3% since 2020, faster than Pennsylvania (+0.4%). The 2020-2024 American Community Survey puts the population at 197,254 over 789 square miles of land.

  • July 2020→2021 +2,712 (196,738)
  • 2021→2022 +636 (197,374)
  • 2022→2023 +1,283 (198,657)
  • 2023→2024 +643 (199,300)
  • 2024→2025 +869 (200,169)
Butler County in Pennsylvania. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureButler CountyPennsylvaniaChange since 2015-2019
Total population197,25413,018,639+10,355
Households80,824±5965,274,853+4,322
Average household size2.37±0.022.39no clear change
Housing units87,382±1095,806,452+4,125

Butler County's population since 2000

From 174,083 in 2000 to 200,169 in 2025: up 15.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 174,083
  • 2005 (estimate) 179,522
  • 2010 Census 183,862
  • 2015 (estimate) 186,046
  • 2020 Census 193,763
  • 2025 (estimate) 200,169

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Butler County?

Butler County holds 71 places: 24 cities, villages and boroughs (incorporated places), 33 towns and townships (county subdivisions with their own government) and 14 census-designated places. The largest is Cranberry Township, Butler County with 35,244 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Butler County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Cranberry Township, Butler Countytownship33,09634,094±67$125,126$421,3004.4%100%
Butler Township, Butler Countytownship17,23016,988±24$77,381$223,8007.6%100%
Adams Township, Butler Countytownship14,84415,282±43$150,173$504,6006.5%100%
Butlercity13,50213,212±49$44,247$108,10021.4%100%
Buffalo Township, Butler Countytownship7,9008,070±17$99,635$320,7004.1%100%
Center Township, Butler Countytownship7,8997,818±22$90,946$253,2006.1%100%
Middlesex Township, Butler Countytownship6,8207,236±20$114,036$412,4007.0%100%
Slippery Rock Township, Butler Countytownship6,8068,059±25$56,556$273,30023.4%100%
Homeacre-LyndoraCDP6,7216,783±501$74,217$202,80011.0%100%
Jefferson Township, Butler Countytownship5,2125,126±18$90,354$300,5004.6%100%
Shanor-NorthvueCDP5,1335,125±269$95,379$259,9004.9%100%
Penn Township, Butler Countytownship4,9904,923±25$92,620$297,5005.6%100%
Jackson Township, Butler Countytownship4,8835,521±17$119,741$403,3004.8%100%
Summit Township, Butler Countytownship4,5044,422±22$59,028$209,4007.6%100%
Connoquenessing Townshiptownship4,2634,184±20$85,369$241,30010.2%100%
Zelienopleborough3,9123,827±19$68,110$294,2006.3%100%
MeridianCDP3,7603,837±479$79,191$244,0003.3%100%
Winfield Townshiptownship3,3613,325±28$91,488$267,1004.1%100%
Forward Township, Butler Countytownship3,1643,304±12$107,386$450,7002.9%100%
Slippery Rockborough3,0813,495±22$52,262$255,40033.8%100%
Seven Fieldsborough2,9192,884±17$114,000$409,7000.6%100%
Clinton Township, Butler Countytownship2,9072,878±18$84,839$314,0005.3%100%
Oakland Township, Butler Countytownship2,7692,739±16$74,318$223,80011.6%100%
Lancaster Township, Butler Countytownship2,7453,207±21$99,432$391,6004.1%100%
MeadowoodCDP2,7292,644±358$68,750$189,7005.9%100%
Franklin Township, Butler Countytownship2,5982,590±27$77,593$316,9004.0%100%
Clay Township, Butler Countytownship2,5512,243±371$83,661$232,8007.2%100%
Clearfield Township, Butler Countytownship2,4272,649±373$88,095$219,7008.6%100%
Slippery Rock UniversityGEOID 4271210CDP2,3972,853±135not publishednot published100.0%100%
Oak HillsCDP2,3822,513±373$90,926$285,8006.5%100%
Muddy Creek Townshiptownship2,2072,025±305$83,346$225,3005.0%100%
Fairview Township, Butler Countytownship1,9401,921±324$83,438$184,5009.3%100%
Donegal Township, Butler Countytownship1,8231,596±208$79,519$230,4006.3%100%
Evans Cityborough1,7372,074±334$74,107$221,4004.1%100%
Marsborough1,4581,285±246$50,938$294,10010.0%100%
Saxonburgborough1,4261,202±194$44,559$220,60010.4%100%
Concord Township, Butler Countytownship1,4091,373±186$65,402$184,70015.4%100%
Worth Township, Butler Countytownship1,4001,303±184$68,611$231,9007.1%100%
NixonGEOID 4254552CDP1,3931,251±282$138,750$316,7000.6%100%
Washington Township, Butler Countytownship1,2881,368±251$64,167$156,60010.9%100%
Brady Township, Butler Countytownship1,2141,092±278$78,977$195,8008.6%100%
Marion Township, Butler Countytownship1,1671,033±214$74,514$189,6005.8%100%
Prospectborough1,1231,157±198$88,250$171,3005.8%100%
Cherry Township, Butler Countytownship1,054987±204$73,393$212,50011.2%100%
Mercer Townshiptownship9931,201±310$71,250$182,70011.2%100%
Harmonyborough9421,232±331$84,844$280,1009.4%100%
Chicoraborough916876±229$65,813$155,1007.4%100%
Venango Township, Butler Countytownship866937±183$89,432$217,9008.0%100%
Unionville (Butler County)GEOID 4278608CDP849644±212$58,235$94,40015.5%100%
Harrisvilleborough819901±180$71,442$162,0009.1%100%
East Butlerborough764916±283$61,607$144,8009.4%100%
Connoquenessingborough668687±182$108,750$300,00012.7%100%
Allegheny Township, Butler Countytownship620505±86$60,625$160,30013.2%100%
Parker Townshiptownship573534±139$59,861$152,70013.5%100%
Valenciaborough537550±122$68,500$228,00015.0%100%
Lake Arthur EstatesGEOID 4240948CDP494333±104$45,625$24,2003.3%100%
Bruinborough423354±76$67,031$155,8002.5%100%
Forestville (Butler County)GEOID 4226688CDP–381±218not published$108,80023.6%100%
Calleryborough364458±148$103,125$190,0003.9%100%
West Libertyborough335327±82$73,365$269,6006.1%100%
Eau Claireborough307272±61$61,719$146,90013.6%100%
Portersvilleborough231196±54$79,375$211,10010.7%100%
West SunburyGEOID 4284064borough182197±93$47,014$159,4004.6%100%
Fairview, Butler CountyGEOID 4224832borough180179±60$80,000$131,3001.7%100%
Petroliaborough179186±60$56,250$95,0008.6%100%
Karns Cityborough175194±64$49,583$141,30021.6%100%
North WashingtonGEOID 4255528CDP–141±72not published$118,80041.8%100%
BoyersGEOID 4207944CDP–138±56$57,813$58,00015.2%100%
RenfrewGEOID 4264176CDP–129±68not publishednot published0.8%100%
Cherry ValleyGEOID 4213152borough6060±23$53,000$200,0000.0%100%
FeneltonGEOID 4225608CDP–44±24$146,250$166,1000.0%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Butler County?

The median resident of Butler County is 43.4 years old; 19.3% are under 18 and 20.6% are 65 or older. The largest group is non-Hispanic white residents at 92.2%, then non-Hispanic residents of two or more races at 2.7%. 2.4% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureButler CountyPennsylvaniaChange since 2015-2019
Median age43.4±0.240.9no clear change
Under 18 years19.3%±0.1 pts20.4%–
65 years and over20.6%±0.1 pts19.5%–
Hispanic or Latino (any race)2.0%8.7%+0.5 pts
White alone, not Hispanic92.2%±0.3 pts73.0%−2.5 pts
Black or African American alone, not Hispanic1.1%±0.1 pts10.3%+0.2 pts
Asian alone, not Hispanic1.4%±0.1 pts3.8%+0.2 pts
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic2.7%±0.3 pts3.6%–
Some other race alone, not Hispanic0.5%±0.2 pts0.5%–
Born outside the United States2.4%±0.2 pts7.7%no clear change
Speak a language other than English at home (age 5+)3.7%±0.4 pts12.4%–
Civilian veterans (age 18+)7.2%±0.5 pts6.1%–
With a disability13.1%±0.6 pts14.4%–
No health insurance coverage3.4%±0.4 pts5.6%no clear change
High school graduate or higher (age 25+)95.7%±0.4 pts92.1%–
Bachelor's degree or higher (age 25+)39.4%±0.9 pts35.2%+3.4 pts
Graduate or professional degree (age 25+)14.8%±0.7 pts14.3%–
Moved from another state in the past year1.3%±0.3 pts1.9%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Butler County earn?

Half of Butler County's 80,824 households earn less than $89,843 a year (±$2,409), against $77,971 in Pennsylvania. In 2015-2019 the median was $86,971 in 2024 dollars, so it rose by $2,872 after inflation. 8.1% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureButler CountyPennsylvaniaChange since 2015-2019
Median household income$89,843±$2,409$77,971+$2,872
Mean household income$116,887±$3,331$107,538–
Per capita income$49,125±$1,342$44,355+$2,591
People below the poverty line8.1%±0.6 pts11.7%no clear change
Children under 18 below the poverty line7.3%±1.2 pts15.6%−2.0 pts
Households receiving SNAP9.0%±0.7 pts14.4%–
Households with a broadband subscription90.6%±0.6 pts89.7%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Butler County?

Owners occupy 76.9% of Butler County's occupied homes and renters 23.1%. The median owner-occupied home is valued at $294,200 by its owner (±$5,907). The median renter pays $1,041 a month including utilities, and 32.6% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureButler CountyPennsylvaniaChange since 2015-2019
Median home value (owner-occupied)$294,200±$5,907$254,500+$41,169
Median gross rent$1,041±$35$1,209no clear change
Renters paying 35% or more of income on rent32.6%±2.6 pts39.5%no clear change
Median monthly owner costs, with a mortgage$1,845±$33$1,762–
Owner-occupied homes76.9%±1.0 pts69.3%no clear change
Housing units87,382±1095,806,452+4,125
Homeowner vacancy rate0.9%±0.3 pts0.8%–
Rental vacancy rate5.2%±1.3 pts4.9%–
Single-family detached homes69.5%±0.9 pts56.6%–
Mobile homes6.8%±0.5 pts3.5%–
Built 2020 or later2.4%±0.3 pts1.0%–
Built 1939 or earlier15.5%±0.8 pts25.0%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Butler County building?

Builders took permits for 1,246 new housing units across Butler County in 2025 (974 single-family), 6.2 per 1,000 residents.

  • 2019 811 units
  • 2020 1,298 units
  • 2021 1,120 units
  • 2022 969 units
  • 2023 1,007 units
  • 2024 976 units
  • 2025 1,246 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Butler County get to work?

74.1% of Butler County's workers drive alone and 16.8% work from home. The average trip to work takes 27.4 minutes. The unemployment rate in 2020-2024 averaged 4.4%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureButler CountyPennsylvaniaChange since 2015-2019
In the labor force (age 16+)62.5%±0.8 pts62.7%–
Unemployment rate4.4%±0.6 pts5.3%no clear change
Drove alone to work74.1%±1.2 pts68.2%–
Carpooled5.9%±0.7 pts7.5%–
Public transportation0.3%±0.1 pts3.6%–
Walked1.9%±0.3 pts3.3%–
Worked from home16.8%±1.0 pts15.6%+12.0 pts
Mean travel time to work27.4 min±0.826.3 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Butler County's census tracts?

Butler County is divided into 47 census tracts. Among those with a reliable estimate, median household income runs from $33,933 (Tract 9024) to $160,069 (Tract 9124.03).

All 47 census tracts of Butler County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Butler County compare with Pennsylvania's other counties?

Butler County's rank among Pennsylvania's counties with a reliable estimate (1 = highest)
MeasureRank
Population19th of 67
Growth 2020-20257th of 67
Residents per square mile21st of 67
Median household income4th of 67
Median home value9th of 67
Median gross rent21st of 67
Poverty rate62nd of 67
Bachelor's degree or higher8th of 67
Median age37th of 67

Every county in Pennsylvania

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Butler County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.