The U.S. state of Pennsylvania is divided into 67 Counties. Explore the Pennsylvania County Map, all Counties list along with their County Seats in alphabetical order and their population, areas and the date of formation.
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About Counties of Pennsylvania
Pennsylvania is one of the states of United States, which is known as Commonwealth of Pennsylvania. Pennsylvania became the second state to be added the Union in the year 1787. The commonwealth of Pennsylvania shares the borders with Delaware in the southeast, Maryland in south, Ohio in the west, New York in the north and New Jersey in the east. The state ranks as the thirty three in its size. Pennsylvania is the fifth most populous state in the country with the population of 13,011,844. The capital city of the state is Harrisburg. Another interesting fact about the state is Pennsylvania is one the 13 original states of the United States.
Counties in Pennsylvania are 67 in number. The biggest county by its geographical size is Lycoming which is in 1,228.59 square miles. Bradford County gets second position in its size with 1,147.40 square miles. The tinniest county in the state of Pennsylvania is Montour with 130 square miles. The other small counties in the state are Philadelphia, Delaware. Among the Counties in Pennsylvania, Philadelphia County has got the highest population with 1,603,797. The other counties like Allegheny, Montgomery and Bucks are next to Philadelphia in terms of population. The least populated counties are Cameron, Sullivan and Potter.
The commonwealth of Pennsylvania has six types of governments which are mentioned in the constitution of the state. They are County, Township, Borough, Town, City and School Districts. Counties in Pennsylvania are further divided into 2,561 municipalities. As of now there are no independent cities or unincorporated territories. In fact there is only 1 incorporated town in the state of Pennsylvania. Most of the counties are administered by a board of commissioners. The board of commissioners act as the legislative and executive body of local governance for the counties. Of all Counties in Pennsylvania there are seven counties which follow the home rule.
The U.S. state of Pennsylvania has 67 Counties. This is list of Pennsylvania Counties and County Seats in alphabetical order along with check their population, areas and the date of formation.
List of Counties in Pennsylvania with County Seats
S.N | County | County Seat | Population | Area | Formed |
---|---|---|---|---|---|
1 | Adams County | Gettysburg | 101,407 | 522 sq mi | 1800 |
2 | Allegheny County | Pittsburgh | 1,223,348 | 745 sq mi | 1788 |
3 | Armstrong County | Kittanning | 68,941 | 664 sq mi | 1800 |
4 | Beaver County | Beaver | 170,539 | 444 sq mi | 1800 |
5 | Bedford County | Bedford | 49,762 | 1,015 sq mi | 1771 |
6 | Berks County | Reading | 411,442 | 866 sq mi | 1752 |
7 | Blair County | Hollidaysburg | 127,089 | 527 sq mi | 1846 |
8 | Bradford County | Towanda | 62,622 | 1,161 sq mi | 1810 |
9 | Bucks County | Doylestown | 625,249 | 622 sq mi | 1682 |
10 | Butler County | Butler | 183,862 | 795 sq mi | 1800 |
11 | Cambria County | Ebensburg | 143,679 | 693 sq mi | 1804 |
12 | Cameron County | Emporium | 5,085 | 399 sq mi | 1860 |
13 | Carbon County | Jim Thorpe | 65,249 | 387 sq mi | 1843 |
14 | Centre County | Bellefonte | 153,990 | 1,112 sq mi | 1800 |
15 | Chester County | West Chester | 498,886 | 760 sq mi | 1682 |
16 | Clarion County | Clarion | 39,988 | 609 sq mi | 1839 |
17 | Clearfield County | Clearfield | 81,642 | 1,154 sq mi | 1804 |
18 | Clinton County | Lock Haven | 39,238 | 898 sq mi | 1839 |
19 | Columbia County | Bloomsburg | 67,295 | 490 sq mi | 1813 |
20 | Crawford County | Meadville | 88,765 | 1,038 sq mi | 1800 |
21 | Cumberland County | Carlisle | 235,406 | 551 sq mi | 1750 |
22 | Dauphin County | Harrisburg | 268,100 | 558 sq mi | 1785 |
23 | Delaware County | Media | 558,979 | 191 sq mi | 1789 |
24 | Elk County | Ridgway | 31,946 | 832 sq mi | 1843 |
25 | Erie County | Erie | 280,566 | 799 sq mi | 1800 |
26 | Fayette County | Uniontown | 136,606 | 798 sq mi | 1783 |
27 | Forest County | Tionesta | 7,716 | 431 sq mi | 1848 |
28 | Franklin County | Chambersburg | 149,618 | 771 sq mi | 1784 |
29 | Fulton County | McConnellsburg | 14,845 | 438 sq mi | 1850 |
30 | Greene County | Waynesburg | 38,686 | 578 sq mi | 1796 |
31 | Huntingdon County | Huntingdon | 45,913 | 889 sq mi | 1787 |
32 | Indiana County | Indiana | 88,880 | 834 sq mi | 1803 |
33 | Jefferson County | Brookville | 45,200 | 657 sq mi | 1804 |
34 | Juniata County | Mifflintown | 24,636 | 394 sq mi | 1831 |
35 | Lackawanna County | Scranton | 214,437 | 465 sq mi | 1878 |
36 | Lancaster County | Lancaster | 519,445 | 984 sq mi | 1729 |
37 | Lawrence County | New Castle | 91,108 | 363 sq mi | 1849 |
38 | Lebanon County | Lebanon | 133,568 | 363 sq mi | 1813 |
39 | Lehigh County | Allentown | 349,497 | 349 sq mi | 1812 |
40 | Luzerne County | Wilkes-Barre | 320,918 | 907 sq mi | 1786 |
41 | Lycoming County | Williamsport | 116,111 | 1,244 sq mi | 1795 |
42 | McKean County | Smethport | 43,450 | 984 sq mi | 1804 |
43 | Mercer County | Mercer | 116,638 | 683 sq mi | 1800 |
44 | Mifflin County | Lewistown | 46,682 | 415 sq mi | 1789 |
45 | Monroe County | Stroudsburg | 169,842 | 617 sq mi | 1836 |
46 | Montgomery County | Norristown | 799,874 | 487 sq mi | 1784 |
47 | Montour County | Danville | 18,267 | 132 sq mi | 1850 |
48 | Northampton County | Easton | 297,735 | 377 sq mi | 1752 |
49 | Northumberland County | Sunbury | 94,528 | 477 sq mi | 1772 |
50 | Perry County | New Bloomfield | 45,969 | 556 sq mi | 1820 |
51 | Philadelphia County | Philadelphia | 1,526,006 | 143 sq mi | 1682 |
52 | Pike County | Milford | 57,369 | 567 sq mi | 1814 |
53 | Potter County | Coudersport | 17,457 | 1,081 sq mi | 1804 |
54 | Schuylkill County | Pottsville | 148,289 | 778 sq mi | 1811 |
55 | Snyder County | Middleburg | 39,702 | 332 sq mi | 1855 |
56 | Somerset County | Somerset | 77,742 | 1,081 sq mi | 1795 |
57 | Sullivan County | Laporte | 6,428 | 452 sq mi | 1847 |
58 | Susquehanna County | Montrose | 43,356 | 832 sq mi | 1810 |
59 | Tioga County | Wellsboro | 41,981 | 1,137 sq mi | 1804 |
60 | Union County | Lewisburg | 44,947 | 317 sq mi | 1813 |
61 | Venango County | Franklin | 54,984 | 683 sq mi | 1800 |
62 | Warren County | Warren | 41,815 | 898 sq mi | 1800 |
63 | Washington County | Washington | 207,820 | 861 sq mi | 1781 |
64 | Wayne County | Honesdale | 52,822 | 751 sq mi | 1798 |
65 | Westmoreland County | Greensburg | 365,169 | 1,036 sq mi | 1773 |
66 | Wyoming County | Tunkhannock | 28,276 | 405 sq mi | 1842 |
67 | York County | York | 434,972 | 910 sq mi | 1749 |
- Adams County Map
- Allegheny County Map
- Armstrong County Map
- Beaver County Map
- Bedford County Map
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- Blair County Map
- Bradford County Map
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- Cameron County Map
- Carbon County Map
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Written and Fact-checked by Whereig Web Team | Last Updated: January 13, 2024, 01:05 PM ET