County · Pennsylvania

Allegheny County, Pennsylvania

Allegheny County, Pennsylvania. Allegheny County had 1,225,035 residents in 2025 by the Census Bureau's estimate, down 2.0% since 2020, while Pennsylvania grew 0.4%. It holds 157 places (88 cities, villages and boroughs, 42 towns and townships and 27 census-designated) and 394 census tracts. GEOID 42003.

Allegheny 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

1,225,035

Census Bureau estimate (no margin published)
2020 Census count: 1,250,578 · ACS 2020-2024: 1,238,177

Median household income

$78,548

±$994 (90% margin)
Pennsylvania: $77,971

Median home value

$227,600

±$1,801 (90% margin)
Pennsylvania: $254,500

Median gross rent

$1,153

±$10 (90% margin)
Pennsylvania: $1,209

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

The 2020 Census counted 1,250,578 residents in Allegheny County. The Census Bureau estimates 1,225,035 for July 1, 2025, down 2.0% since 2020, while Pennsylvania grew 0.4%. The 2020-2024 American Community Survey puts the population at 1,238,177 over 730 square miles of land.

  • July 2020→2021 −4,250 (1,245,335)
  • 2021→2022 −12,010 (1,233,325)
  • 2022→2023 −4,414 (1,228,911)
  • 2023→2024 −1,737 (1,227,174)
  • 2024→2025 −2,139 (1,225,035)
Allegheny County in Pennsylvania. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureAllegheny CountyPennsylvaniaChange since 2015-2019
Total population1,238,17713,018,639+16,433
Households545,802±1,9765,274,853+4,261
Average household size2.20±0.012.39no clear change
Housing units606,827±2765,806,452+6,428

Allegheny County's population since 2000

From 1,281,666 in 2000 to 1,225,035 in 2025: down 4.4%. 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 1,281,666
  • 2005 (estimate) 1,234,787
  • 2010 Census 1,223,348
  • 2015 (estimate) 1,229,342
  • 2020 Census 1,250,578
  • 2025 (estimate) 1,225,035

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 Allegheny County?

Allegheny County holds 157 places: 88 cities, villages and boroughs (incorporated places), 42 towns and townships (county subdivisions with their own government) and 27 census-designated places. The largest is Pittsburgh with 307,632 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 Allegheny County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Pittsburghcity302,971304,759±73$65,742$205,80020.1%100%
Penn Hills Townshiptownship41,05940,242±46$65,479$134,70013.3%100%
Mount Lebanon Townshiptownship34,07533,370±58$123,771$378,3004.8%100%
Bethel Parkmunicipality33,57732,881±21$107,090$273,4004.0%100%
Ross Township, Allegheny Countytownship33,56732,939±45$92,642$268,9006.7%100%
McCandless Townshiptownship29,69829,100±25$110,858$350,1003.9%100%
Monroevillemunicipality28,64028,295±66$79,218$209,80010.7%100%
Shaler Townshiptownship28,13227,538±25$95,654$245,5006.4%100%
Moon Townshiptownship27,24026,902±60$113,170$293,0003.3%100%
Plumborough27,14426,723±44$98,705$227,6003.6%100%
Allison ParkCDP21,86422,045±1,277$113,822$346,9003.6%100%
Baldwinborough21,51021,057±33$80,983$208,4009.5%100%
Upper St. Clair Townshiptownship21,16020,863±55$163,409$431,8002.5%100%
West Mifflinborough19,58919,190±43$76,563$151,60011.2%100%
Hampton Townshiptownship18,47918,185±31$134,156$371,1003.9%100%
South Fayette Townshiptownship18,35818,460±32$124,112$340,7003.6%100%
McKeesportcity17,72717,380±31$34,219$72,70032.0%100%
Scott Township, Allegheny Countytownship17,64917,270±23$89,404$226,5007.4%100%
North Fayette Townshiptownship16,16716,107±36$102,318$278,6004.0%100%
Robinson Township, Allegheny Countytownship15,50315,534±22$103,048$293,2005.5%100%
Franklin Parkborough15,47915,235±29$176,875$485,6000.7%100%
Whitehallborough15,06414,811±35$89,404$236,2006.7%100%
Pine Township, Allegheny Countytownship14,69115,224±39$184,591$579,7004.4%100%
Wilkinsburgborough14,34914,027±34$46,416$155,50020.4%100%
South Park Townshiptownship13,72713,706±25$101,102$248,0003.8%100%
Carnot-MoonCDP13,15113,534±990$100,714$264,2004.7%100%
Elizabeth Township, Allegheny Countytownship12,98212,690±53$80,589$167,0005.7%100%
Jefferson Hillsborough12,42412,317±44$116,064$315,9002.8%100%
West Deer Townshiptownship12,26212,228±36$94,820$244,1008.2%100%
Richland Township, Allegheny Countytownship11,94211,844±38$118,333$361,7004.6%100%
Munhallborough10,77410,548±27$52,517$132,10013.9%100%
Harrison Township, Allegheny Countytownship10,1579,949±20$66,316$154,4009.9%100%
Brentwoodborough10,0829,866±19$68,904$148,40019.1%100%
Marshall Townshiptownship10,08010,226±26$165,099$509,9003.5%100%
North Versailles Townshiptownship10,0749,845±36$53,353$111,30018.1%100%
O'Hara Townshiptownship9,2849,109±23$117,276$401,3005.4%100%
GlenshawCDP8,9459,139±920$92,864$249,5007.1%100%
Collier Townshiptownship8,9358,972±38$101,824$342,9003.1%100%
Kennedy Townshiptownship8,7018,549±26$87,384$247,8008.7%100%
Swissvaleborough8,6248,418±31$60,341$147,00017.0%100%
Pleasant Hillsborough8,5048,399±22$102,167$244,8004.8%100%
Bellevueborough8,3118,128±21$68,827$213,3009.4%100%
Castle Shannonborough8,2498,209±35$64,071$190,30010.5%100%
Dormontborough8,2448,063±29$80,526$221,8007.9%100%
Carnegieborough8,1347,978±61$67,656$171,50011.7%100%
White Oakborough7,6307,468±25$59,452$162,2009.8%100%
Indiana Townshiptownship7,2547,309±22$115,375$379,2004.7%100%
Ohio Townshiptownship7,1787,228±20$153,333$474,6003.6%100%
Natrona HeightsCDP–6,903±470$69,710$160,0008.5%100%
Oakmontborough6,7586,702±27$92,782$334,5005.4%100%
West Viewborough6,6856,533±16$84,063$227,1008.8%100%
Forest Hillsborough6,4296,286±25$89,688$200,7004.3%100%
Stowe Townshiptownship6,4266,294±25$52,971$110,10023.1%100%
Findlay Townshiptownship6,3726,698±24$110,625$257,8002.1%100%
Wilkins Townshiptownship6,3506,212±26$65,625$174,70010.7%100%
Clairtoncity6,1816,044±22$36,538$66,50033.0%100%
Craftonborough6,0995,961±22$64,006$201,0009.6%100%
McKees Rocksborough5,9205,786±19$41,131$75,60032.1%100%
Coraopolisborough5,5595,417±45$63,828$169,70011.5%100%
Fox Chapelborough5,3435,246±24$243,625$900,6003.2%100%
Duquesnecity5,2545,149±21$44,180$63,80022.9%100%
Turtle Creekborough5,1145,007±13$45,997$84,90017.6%100%
Green Treeborough4,9414,833±17$92,422$251,9006.4%100%
Bridgevilleborough4,8044,686±39$59,981$166,40011.6%100%
Avalonborough4,7624,674±23$51,250$170,50014.6%100%
Glassportborough4,4754,368±21$47,803$82,70015.9%100%
Tarentumborough4,3524,249±20$45,167$84,30014.8%100%
North Braddockborough4,3204,219±18$34,564$66,10028.8%100%
Sewickleyborough3,9073,823±21$101,053$464,3008.1%100%
Port Vueborough3,6803,620±19$58,194$82,50010.1%100%
Etnaborough3,4373,364±20$53,654$135,80017.8%100%
Springdaleborough3,4003,319±27$65,893$153,9003.9%100%
Mount Oliverborough3,3943,319±24$52,297$96,90015.1%100%
Ingramborough3,3913,299±44$71,154$156,80013.4%100%
Millvaleborough3,3763,299±22$72,778$124,10017.2%100%
Reserve Townshiptownship3,2553,180±36$81,724$209,7004.8%100%
Brackenridgeborough3,2403,167±30$50,197$94,80015.1%100%
Sharpsburgborough3,1873,119±20$59,228$141,40017.4%100%
Churchillborough3,1573,087±16$106,964$234,8001.9%100%
Edgewood, Allegheny Countyborough3,1453,077±24$103,203$327,4005.3%100%
Harmar Townshiptownship3,1333,075±25$65,075$206,20014.8%100%
Pitcairnborough3,1013,032±17$36,419$59,30015.4%100%
Forward Township, Allegheny Countytownship3,0703,009±37$67,171$166,0008.7%100%
Aspinwallborough2,9162,843±31$107,000$378,8003.3%100%
Homesteadborough2,8842,874±17$39,052$83,90018.6%100%
GibsoniaGEOID 4229040CDP2,7852,899±542$139,226$347,9001.4%100%
BakerstownCDP2,7452,527±450$164,330$544,4006.7%100%
ImperialCDP2,7223,001±831$71,489$198,3003.5%100%
Emsworthborough2,5252,465±324$64,816$184,20011.4%100%
Veronaborough2,4922,524±416$48,733$145,20013.8%100%
Crescent Townshiptownship2,4882,141±295$81,992$195,6004.8%100%
Liberty (Allegheny County)borough2,3552,320±329$73,786$115,60013.3%100%
Fawn Township, Allegheny Countytownship2,2102,197±309$87,674$221,20010.9%100%
East McKeesportborough2,0762,002±236$65,907$101,1009.5%100%
GreenockCDP1,9891,815±524$52,348$147,2002.3%100%
Baldwin Townshiptownship1,9851,987±355$89,931$199,5002.0%100%
East Pittsburghborough1,9272,121±443$38,561$59,60045.4%100%
Ben Avonborough1,9181,919±194$102,869$344,7007.2%100%
Rankinborough1,8961,793±250$48,145$95,00024.9%100%
West Homesteadborough1,8721,905±294$77,250$167,4006.9%100%
Aleppo Township, Allegheny Countytownship1,8251,747±264$78,750$291,1005.4%100%
Wilmerdingborough1,7811,761±492$36,467$61,20029.8%100%
Braddock Hillsborough1,7301,629±306$39,981$129,80014.2%100%
Braddockborough1,7212,039±661$37,813$50,00027.5%100%
Cheswickborough1,6721,661±220$75,000$196,2006.8%100%
Edgeworthborough1,6691,587±132$202,813$820,1003.0%100%
Leet Townshiptownship1,6241,530±266$93,083$254,7006.3%100%
Dravosburgborough1,6121,643±244$51,715$93,50012.3%100%
SturgeonGEOID 4274944CDP1,6111,466±431$114,592$220,5001.0%100%
Springdale Townshiptownship1,5401,436±158$62,024$150,80012.1%100%
Bell Acresborough1,5051,468±169$165,987$437,5005.0%100%
East Deer Townshiptownship1,4901,389±148$65,625$106,90012.8%100%
Versaillesborough1,4761,533±233$42,500$97,10020.1%100%
Oakdaleborough1,4751,489±142$93,036$190,7008.0%100%
Blawnoxborough1,4541,439±191$60,333$173,00016.7%100%
GlendaleCDP–1,408±292$76,359$160,0005.5%100%
Elizabethborough1,3981,371±242$51,174$108,30013.0%100%
RusselltonCDP1,3301,333±353$71,786$241,3009.9%100%
Heidelbergborough1,2881,234±130$67,829$150,2008.1%100%
Bradford Woodsborough1,1831,194±221$153,125$508,3001.9%100%
Whitakerborough1,1791,140±214$63,194$98,50025.9%100%
Leetsdaleborough1,1621,096±143$66,346$156,0005.7%100%
Frazer Townshiptownship1,1611,040±149$77,625$186,3008.1%100%
EnlowGEOID 4223720CDP1,1381,019±428$111,250$284,5007.7%100%
Neville Townshiptownship1,1081,085±160$61,094$170,90013.4%100%
RennerdaleGEOID 4264184CDP1,1031,067±341$120,167$325,3007.0%100%
CurtisvilleGEOID 4217832CDP1,097989±325$66,106$162,1006.8%100%
DorseyvilleGEOID 4219632CDP–941±226$99,464$364,0003.8%100%
Lincolnborough932922±217$73,750$135,2005.6%100%
Clinton (Allegheny County)GEOID 4214296CDP905899±483$104,659$222,5002.3%100%
NatronaGEOID 4252760CDP–869±285$49,926$46,10015.8%100%
Sewickley Heightsborough857690±87$203,214$1,062,5001.2%100%
BairdfordGEOID 4203816CDP855706±233$68,929$172,70016.8%100%
HarwickCDP850899±143$60,179$134,80015.4%100%
NoblestownGEOID 4254568CDP797616±225$108,582$469,4000.5%100%
Kilbuck Townshiptownship773704±134$123,875$348,4002.3%100%
Chalfantborough748768±186$59,120$120,0007.0%100%
Sewickley Hillsborough689672±102$175,000$486,4001.8%100%
Pennsbury Villageborough677655±87$69,167$157,10012.5%100%
Glen Osborneborough590585±109$136,000$581,7002.4%100%
Blaine HillGEOID 4206848CDP–587±288not published$158,00046.8%100%
BostonGEOID 4207688CDP549162±103$50,903$128,3000.0%100%
Wallborough519563±210$54,063$53,00027.2%100%
West WilmerdingGEOID 4284216CDP–475±252$55,000$126,00015.8%100%
Thornburgborough466464±66$231,250$469,1000.2%100%
Rosslyn FarmsGEOID 4266320borough441534±87$93,750$446,2000.6%100%
Industry, Allegheny CountyGEOID 4236940CDP–406±229not published$110,8006.9%100%
West Elizabethborough403344±126$55,000$82,1006.6%100%
Ben Avon HeightsGEOID 4205520borough400304±51$234,375$542,5000.7%100%
McDonaldborough2,0602,065±375$65,625$165,1008.0%19%
South Versailles Townshiptownship310312±96$49,167$116,00017.9%100%
Buena VistaGEOID 4209944CDP–301±261$36,563$47,6008.6%100%
CoulterGEOID 4216456CDP–236±78$35,313$105,90023.7%100%
Glenfieldborough212199±46$98,750$165,4002.5%100%
BunolaGEOID 4210208CDP–134±124not publishednot published0.0%100%
Traffordborough3,3173,216±43$65,839$147,3009.2%3%
HaysvilleGEOID 4233312borough8199±51$67,778$163,8001.0%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 Allegheny County?

The median resident of Allegheny County is 40.6 years old; 18.6% are under 18 and 20.2% are 65 or older. The largest group is non-Hispanic white residents at 75.5%, then non-Hispanic Black residents at 12.4%. 6.6% 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.
MeasureAllegheny CountyPennsylvaniaChange since 2015-2019
Median age40.6±0.240.9no clear change
Under 18 years18.6%20.4%–
65 years and over20.2%±0.1 pts19.5%–
Hispanic or Latino (any race)3.0%8.7%+0.9 pts
White alone, not Hispanic75.5%±0.1 pts73.0%−3.0 pts
Black or African American alone, not Hispanic12.4%±0.2 pts10.3%−0.3 pts
Asian alone, not Hispanic4.3%±0.1 pts3.8%+0.6 pts
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.1 pts0.0%–
Two or more races, not Hispanic4.3%±0.2 pts3.6%–
Some other race alone, not Hispanic0.5%±0.1 pts0.5%–
Born outside the United States6.6%±0.2 pts7.7%+0.7 pts
Speak a language other than English at home (age 5+)8.5%±0.2 pts12.4%–
Civilian veterans (age 18+)5.7%±0.2 pts6.1%–
With a disability13.9%±0.2 pts14.4%–
No health insurance coverage3.8%±0.2 pts5.6%no clear change
High school graduate or higher (age 25+)95.7%±0.2 pts92.1%–
Bachelor's degree or higher (age 25+)45.8%±0.5 pts35.2%+4.2 pts
Graduate or professional degree (age 25+)19.3%±0.3 pts14.3%–
Moved from another state in the past year2.3%±0.2 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 Allegheny County earn?

Half of Allegheny County's 545,802 households earn less than $78,548 a year (±$994), against $77,971 in Pennsylvania. In 2015-2019 the median was $75,125 in 2024 dollars, so it rose by $3,423 after inflation. 11.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureAllegheny CountyPennsylvaniaChange since 2015-2019
Median household income$78,548±$994$77,971+$3,423
Mean household income$110,063±$1,192$107,538–
Per capita income$49,588±$525$44,355+$1,949
People below the poverty line11.5%±0.4 pts11.7%no clear change
Children under 18 below the poverty line14.9%±1.0 pts15.6%no clear change
Households receiving SNAP13.0%±0.3 pts14.4%–
Households with a broadband subscription90.8%±0.3 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 Allegheny County?

Owners occupy 65.2% of Allegheny County's occupied homes and renters 34.8%. The median owner-occupied home is valued at $227,600 by its owner (±$1,801). The median renter pays $1,153 a month including utilities, and 37.4% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureAllegheny CountyPennsylvaniaChange since 2015-2019
Median home value (owner-occupied)$227,600±$1,801$254,500+$37,212
Median gross rent$1,153±$10$1,209+$58
Renters paying 35% or more of income on rent37.4%±1.0 pts39.5%no clear change
Median monthly owner costs, with a mortgage$1,685±$13$1,762–
Owner-occupied homes65.2%±0.5 pts69.3%+0.9 pts
Housing units606,827±2765,806,452+6,428
Homeowner vacancy rate0.9%±0.1 pts0.8%–
Rental vacancy rate6.8%±0.5 pts4.9%–
Single-family detached homes61.6%±0.4 pts56.6%–
Mobile homes0.7%±0.1 pts3.5%–
Built 2020 or later0.8%±0.1 pts1.0%–
Built 1939 or earlier28.1%±0.4 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 Allegheny County building?

Builders took permits for 3,191 new housing units across Allegheny County in 2025 (1,260 single-family), 2.6 per 1,000 residents.

  • 2019 1,959 units
  • 2020 1,974 units
  • 2021 2,263 units
  • 2022 3,406 units
  • 2023 3,953 units
  • 2024 2,999 units
  • 2025 3,191 units

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

How do people in Allegheny County get to work?

61.9% of Allegheny County's workers drive alone and 21.1% work from home. The average trip to work takes 25.2 minutes. The unemployment rate in 2020-2024 averaged 5.0%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureAllegheny CountyPennsylvaniaChange since 2015-2019
In the labor force (age 16+)64.8%±0.3 pts62.7%–
Unemployment rate5.0%±0.3 pts5.3%no clear change
Drove alone to work61.9%±0.5 pts68.2%–
Carpooled6.3%±0.3 pts7.5%–
Public transportation5.4%±0.3 pts3.6%–
Walked3.5%±0.2 pts3.3%–
Worked from home21.1%±0.4 pts15.6%+15.6 pts
Mean travel time to work25.2 min±0.226.3 min−2.0 min

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 Allegheny County's census tracts?

Allegheny County is divided into 394 census tracts. Among those with a reliable estimate, median household income runs from $11,986 (Tract 509) to $243,625 (Tract 4220).

All 394 census tracts of Allegheny 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 Allegheny County compare with Pennsylvania's other counties?

Allegheny County's rank among Pennsylvania's counties with a reliable estimate (1 = highest)
MeasureRank
Population2nd of 67
Growth 2020-202548th of 67
Residents per square mile4th of 67
Median household income17th of 67
Median home value25th of 67
Median gross rent16th of 67
Poverty rate38th of 67
Bachelor's degree or higher4th of 67
Median age55th 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 Allegheny 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.