State 42 · PA

Pennsylvania county map

Pennsylvania has 67 counties. Lycoming County is the largest by land at 1,229 square miles, and Philadelphia County is the most populous with 1,573,916 residents.

Population 2024
13,078,751
#5 of 51
Land area
44,742 sq mi
#32 of 51
Density
292.3 / sq mi
#10 of 51
Counties
67
Capital: Harrisburg
N
Harrisburg 40.26° N, 76.88° W

Map of all 67 counties in Pennsylvania

Every county is labeled on Census 2024 boundaries. Download it as a PDF to print, a PNG, or an editable SVG. For blank, colored or city versions, see the printable Pennsylvania map sheets.

AdamsAlleghenyArmstrongBeaverBedfordBerksBlairBradfordBucksButlerCambriaCameronCarbonCentreChesterClarionClearfieldClintonColumbiaCrawfordCumberlandDauphinDelawareElkErieFayetteForestFranklinFultonGreeneHuntingdonIndianaJeffersonJuniataLackawannaLancasterLawrenceLebanonLehighLuzerneLycomingMcKeanMercerMifflinMonroeMontgomeryMontourNorthamptonNorthumberlandPerryPhiladelphiaPikePotterSchuylkillSnyderSomersetSullivanSusquehannaTiogaUnionVenangoWarrenWashingtonWayneWestmorelandWyomingYorkPennsylvania county map. Online Map Tools (onlinemaptools.com), Census 2024 boundaries, free to reuse with credit.
67 units labeled. The orange dot marks the capital.

Pennsylvania population and land area

Pennsylvania had 13,078,751 residents in the Census Vintage 2024 estimates, the sum of its counties. That ranks 5th of the 50 states and DC. Its 44,742 square miles of land rank 32nd. Pennsylvania averages 292.3 people per square mile of land, 3.0 times the national figure of 96.3. By density it ranks 10th.

Population, 2024
13,078,7515th of 51
Land area
44,742 sq mi32nd of 51
Density
292.3 per sq mi10th of 51
Number of counties
67
Capital
Harrisburg40.264° N, 76.884° W
State FIPS code
42

Pennsylvania counties by population, density and income

Each shape is shaded by quintile, darker for higher values. Switch the measure above the map. Select a shape to open that county's page. The pin marks the capital, Harrisburg.

Adams County: 208Potter County: 15Sullivan County: 13Bucks County: 1,076Carbon County: 172McKean County: 40Montour County: 139Fulton County: 33Columbia County: 137Cameron County: 11Elk County: 36Bradford County: 52Bedford County: 47York County: 521Monroe County: 274Forest County: 15Berks County: 513Cambria County: 189Franklin County: 206Snyder County: 121Somerset County: 67Clarion County: 61Indiana County: 100Lackawanna County: 473Wyoming County: 65Lawrence County: 236Mercer County: 161Lehigh County: 1,117Northampton County: 873Cumberland County: 505Fayette County: 157Jefferson County: 66Centre County: 144Lebanon County: 402Union County: 133Clinton County: 43Chester County: 747Montgomery County: 1,820Wayne County: 71Pike County: 114Susquehanna County: 46Allegheny County: 1,688Clearfield County: 68Butler County: 252Beaver County: 381Crawford County: 81Washington County: 246Venango County: 73Warren County: 42Blair County: 229Huntingdon County: 50Lancaster County: 597Luzerne County: 372Westmoreland County: 341Juniata County: 60Armstrong County: 97Tioga County: 36Delaware County: 3,182Northumberland County: 197Mifflin County: 112Lycoming County: 92Perry County: 85Philadelphia County: 11,718Schuylkill County: 186Dauphin County: 558Greene County: 59Erie County: 335
Density
  1. < 52
  2. 52+
  3. 97+
  4. 189+
  5. 402+
no data

Largest county in Pennsylvania by land area

Lycoming County ranks first at 1,229 square miles and Montour County last at 130 square miles. The top value is 9.4 times the bottom one.

  1. 01Lycoming County1,229
  2. 02Bradford County1,147
  3. 03Clearfield County1,145
  4. 04Tioga County1,134
  5. 05Centre County1,107
  6. 06Potter County1,081
  7. 07Somerset County1,075
  8. 08Westmoreland County1,028
  9. 09Crawford County1,012
  10. 10Bedford County1,012

Most populous county in Pennsylvania

Philadelphia County ranks first at 1,573,916 residents and Cameron County last at 4,348 residents. The gap is more than a hundredfold.

  1. 01Philadelphia County1,573,916
  2. 02Allegheny County1,231,814
  3. 03Montgomery County879,190
  4. 04Bucks County650,131
  5. 05Delaware County584,882
  6. 06Lancaster County563,293
  7. 07Chester County560,745
  8. 08York County471,240
  9. 09Berks County439,117
  10. 10Lehigh County385,655

Least populous county in Pennsylvania

The smallest populations, fewest first. Estimates for small counties carry more uncertainty than those for large ones.

  1. 01Cameron County4,348
  2. 02Sullivan County5,927
  3. 03Forest County6,601
  4. 04Fulton County14,452
  5. 05Potter County15,993
Log scale, so small counties stay visible next to the largest.

Most densely populated county in Pennsylvania

Philadelphia County ranks first at 11,717.7 people per square mile and Cameron County last at 11.0 people per square mile. The gap is more than a hundredfold.

  1. 01Philadelphia County11,717.7
  2. 02Delaware County3,182.0
  3. 03Montgomery County1,820.5
  4. 04Allegheny County1,687.5
  5. 05Lehigh County1,116.7
  6. 06Bucks County1,075.6
  7. 07Northampton County873.4
  8. 08Chester County747.1
  9. 09Lancaster County596.8
  10. 10Dauphin County558.3
People per square mile of land, log scale.

Highest median household income in Pennsylvania

Chester County ranks first at $120,925 and Forest County last at $48,084. The top value is 2.5 times the bottom one.

  1. 01Chester County$120,925
  2. 02Bucks County$107,006
  3. 03Montgomery County$106,780
  4. 04Delaware County$84,180
  5. 05Northampton County$84,051
  6. 06Union County$82,708
  7. 07Cumberland County$82,507
  8. 08York County$81,213
  9. 09Butler County$80,978
  10. 10Lancaster County$80,210

Towns and cities in Pennsylvania

The Census Vintage 2024 subcounty estimates list 597 incorporated places in Pennsylvania with 1,000 or more residents, holding 5,466,946 people together, or 42% of the state total. 193 of them have 5,000 or more. The northernmost is North East at 42.213° N and the southernmost is New Freedom at 39.735° N. Among places of 5,000+, West Chester grew fastest from July 2020 to July 2024, by 21.9%.

  1. 01Philadelphia1,573,916
  2. 02Pittsburgh307,668
  3. 03Allentown127,138
  4. 04Reading96,000
  5. 05Erie92,940
  6. 06Bethlehem79,453
  7. 07Scranton75,905
  8. 08Lancaster58,441
  9. 09Harrisburg50,649
  10. 10York45,241
  11. 11Wilkes-Barre44,661
  12. 12Altoona42,719
Largest incorporated places, Vintage 2024 estimates.

Harrisburg, the capital

68.5% of Pennsylvania's place population, 3,745,024 of 5,466,946 people, lives in places within 100 miles of Harrisburg. That ranks 27th of 51 for how central the capital is.

See all states in the capital radius ranking and the most remote towns ranking. Sunrise and sunset times for Harrisburg, month by month, are on the Harrisburg daylight page.

States bordering Pennsylvania

Pennsylvania borders 6 states or districts. The nearest neighboring capital is Annapolis, 91 miles SSE of Harrisburg in a straight line.

UTM zones in Pennsylvania

The internal points of Pennsylvania's counties fall in UTM zones 17, 18. Zones are 6 degrees of longitude wide, numbered from 180° W: zone = floor((longitude + 180) / 6) + 1. Because Pennsylvania spans 2 zones, no single UTM zone covers the whole state.

All 67 counties in Pennsylvania

Sort by any column. The small orange number marks the top 3 in the state by population.

FIPS
42101Philadelphia County1,573,916#113411,717.7$60,196
42003Allegheny County1,231,814#27301,687.5$76,488
42091Montgomery County879,190#34831,820.5$106,780
42017Bucks County650,1316041,075.6$107,006
42045Delaware County584,8821843,182.0$84,180
42071Lancaster County563,293944596.8$80,210
42029Chester County560,745751747.1$120,925
42133York County471,240904521.1$81,213
42011Berks County439,117856512.7$75,655
42077Lehigh County385,6553451,116.7$76,270
42129Westmoreland County350,9351,028341.5$70,985
42079Luzerne County331,379890372.4$60,165
42095Northampton County322,989370873.4$84,051
42043Dauphin County293,029525558.3$73,929
42041Cumberland County275,516545505.1$82,507
42049Erie County267,750799335.1$60,721
42069Lackawanna County216,859459472.6$57,570
42125Washington County210,434857245.5$76,957
42019Butler County199,341789252.5$80,978
42089Monroe County166,523608273.7$73,408
42007Beaver County165,540435380.8$66,846
42027Centre County159,8051,107144.3$69,999
42055Franklin County159,285772206.3$75,532
42075Lebanon County145,319362401.6$78,284
42107Schuylkill County144,523779185.6$63,479
42021Cambria County130,108688189.1$55,592
42051Fayette County123,941791156.7$54,030
42013Blair County120,269525229.1$54,909
42081Lycoming County113,2361,22992.1$62,063
42085Mercer County108,140673160.8$61,530
42001Adams County107,914519208.1$77,041
42097Northumberland County90,027458196.7$58,834
42073Lawrence County84,233357235.7$61,686
42063Indiana County82,953827100.3$57,110
42039Crawford County82,0891,01281.1$60,545
42033Clearfield County78,1321,14568.2$60,213
42111Somerset County72,1341,07567.1$59,562
42037Columbia County66,012483136.6$63,605
42025Carbon County65,743381172.4$64,894
42005Armstrong County63,67965397.5$61,521
42103Pike County62,376545114.5$71,698
42015Bradford County59,6991,14752.0$61,270
42127Wayne County51,41972670.8$68,429
42121Venango County49,47667473.4$57,256
42009Bedford County47,6431,01247.1$58,319
42099Perry County46,81655184.9$71,392
42087Mifflin County45,935411111.8$58,758
42065Jefferson County43,36765266.5$49,430
42061Huntingdon County43,35987549.6$61,812
42119Union County42,159316133.4$82,708
42117Tioga County40,6981,13435.9$62,918
42109Snyder County39,627329120.5$68,089
42083McKean County39,47898040.3$59,522
42115Susquehanna County38,10082346.3$70,021
42035Clinton County37,86589042.6$55,946
42123Warren County37,37388442.3$57,469
42031Clarion County36,85560161.3$56,911
42059Greene County33,96057659.0$60,627
42047Elk County30,12482736.4$66,378
42131Wyoming County25,77139764.9$66,855
42067Juniata County23,39539159.8$59,755
42093Montour County18,115130139.0$73,087
42105Potter County15,9931,08114.8$57,850
42057Fulton County14,45243833.0$62,044
42053Forest County6,60142715.4$48,084
42113Sullivan County5,92745013.2$59,604
42023Cameron County4,34839611.0$51,035

Download all 67 counties as CSV

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 Gazetteer, places
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.