Map of Pennsylvania Counties

Pennsylvania is divided into 67 counties. Use the interactive maps below to explore county boundaries and their unique characteristics. Download free maps or learn more about creating a custom map of Pennsylvania to visualize your data.

Interactive Map of Pennsylvania Counties

List of Counties (67)

List of 67 counties
#CountyCounty seatYear founded
1AdamsGettysburg1800
2AlleghenyPittsburgh1788
3ArmstrongKittanning1800
4BeaverBeaver1800
5BedfordBedford1771
6BerksReading1752
7BlairHollidaysburg1846
8BradfordTowanda1810
9BucksDoylestown1682
10ButlerButler1800
11CambriaEbensburg1804
12CameronEmporium1860
13CarbonJim Thorpe1843
14CentreBellefonte1800
15ChesterWest Chester1682
16ClarionClarion1839
17ClearfieldClearfield1804
18ClintonLock Haven1839
19ColumbiaBloomsburg1813
20CrawfordMeadville1800
21CumberlandCarlisle1750
22DauphinHarrisburg1785
23DelawareMedia1789
24ElkRidgway1843
25ErieErie1800
26FayetteUniontown1783
27ForestTionesta1848
28FranklinChambersburg1784
29FultonMcConnellsburg1850
30GreeneWaynesburg1796
31HuntingdonHuntingdon1787
32IndianaIndiana1803
33JeffersonBrookville1804
34JuniataMifflintown1831
35LackawannaScranton1878
36LancasterLancaster1729
37LawrenceNew Castle1849
38LebanonLebanon1813
39LehighAllentown1812
40LuzerneWilkes-Barre1786
41LycomingWilliamsport1795
42McKeanSmethport1804
43MercerMercer1800
44MifflinLewistown1789
45MonroeStroudsburg1836
46MontgomeryNorristown1784
47MontourDanville1850
48NorthamptonEaston1752
49NorthumberlandSunbury1772
50PerryNew Bloomfield1820
51PhiladelphiaPhiladelphia1682
52PikeMilford1814
53PotterCoudersport1804
54SchuylkillPottsville1811
55SnyderMiddleburg1855
56SomersetSomerset1795
57SullivanLaporte1847
58SusquehannaMontrose1810
59TiogaWellsboro1804
60UnionLewisburg1813
61VenangoFranklin1800
62WarrenWarren1800
63WashingtonWashington1781
64WayneHonesdale1798
65WestmorelandGreensburg1773
66WyomingTunkhannock1842
67YorkYork1749

Pennsylvania Counties: Key Facts

  • Total number of counties: 67
  • State capital: Harrisburg in Dauphin County
  • Largest county by area: Lycoming County - 1,244 square miles (3,222 km²)
  • Smallest county by area: Montour County - 132 square miles (342 km²)
  • Most populous county: Philadelphia County - 1,603,797 people
  • Least populous county: Cameron County - 4,547 people
  • Counties with major urban centers: Philadelphia (Philadelphia), Allegheny (Pittsburgh), Lehigh (Allentown)
  • Bordering states: New York, New Jersey, Delaware, Maryland, West Virginia, Ohio
  • Time zone: Eastern Time Zone (ET)
  • Consolidated city-county: Philadelphia County and City of Philadelphia are coterminous

Interesting Facts

  • Philadelphia is both a city and a county.
  • Only incorporated town seat: Bloomsburg in Columbia County is the only incorporated town in Pennsylvania.
  • Civil War history: Adams County, with Gettysburg, was the site of the Battle of Gettysburg in 1863.
  • Anthracite coal region: Luzerne, Schuylkill, Carbon, and Northumberland mark historic coal fields.
  • Great Lakes corner: Erie County is Pennsylvania’s only Great Lakes county.

Free Downloads

You can download free blank Map of Pennsylvania Counties and other maps in high resolution PNG, SVG and PDF formats from the blank maps section of the site: Download Blank Map of Pennsylvania Counties

Custom Map Features

This map supports labels.

This map supports surrounding areas, roads, rivers and cities. New

This map is divided into 67 counties.

Updates

Oct 2, 2025:

  • Improved map quality
  • Added support for surrounding areas and lakes

Aug 26, 2024:

  • Added map of Pennsylvania Counties

Frequently Asked Questions

Pennsylvania has 67 counties.

Lycoming County is the largest by area, covering 1,244 square miles (3,222 km²).

Montour County is the smallest by area, at 132 square miles (342 km²).

Philadelphia County has the largest population, with 1,603,797 residents.

Cameron County has the smallest population at 4,547 people.

Gettysburg is in Adams County, known for the pivotal Battle of Gettysburg during the Civil War.

Only Erie County borders Lake Erie, forming the state's entire Great Lakes shoreline.

You can use Ultimaps to create custom maps of Pennsylvania. Color-code counties, place pins, customize the look and feel, and export to PNG, PDF, or SVG.