Sitemap to all pages covering the state of Pennsylvania. Photography contributions by Alex Nitzman, Andy Field, Brent Ivy, Carter Buchanan, Jesse Bender and Justin Cozart.
Highway Guides
City / Area Guides
Interstates
Interstate 70
Interstate 76
Interstate 78
Interstate 79
Interstate 80
Interstate 81
Interstate 83
Interstate 90
Interstate 95
Interstate 99
Interstate 176
Interstate 276
Interstate 376
Interstate 476
Interstate 676
Interstate 279
Interstate 579
Interstate 180
Interstate 380
Interstate 283
Interstate 295
Business Loop I-83
Business Loop I-376
U.S. Highways
State Routes
- PA 3
- PA 10
- PA 12 – Warren Street Bypass
- PA 23
- PA 24
- PA 26
- PA 34
- PA 41
- PA Turnpike 43
- PA 52
- PA 60
- PA 61
- PA 63
- PA 82
- PA 97
- PA 99
- PA 100
- PA 116
- PA 132
- PA 134
- PA 158
- PA 179
- PA 208
- PA 216
- PA 261
- PA 272
- PA 283
- PA 290
- PA 291
- PA 309
- PA 320
- PA 340
- PA 413
- PA 452
- PA 462
- PA 472
- PA 491
- PA 505
- PA 581
- PA 611
- PA 616
- PA 772
- PA 796
- PA 841
- PA 842
- PA 851
- PA 896
- PA 926
- PA 940
- PA 956
Population Statistics
| State Population | |||||
|---|---|---|---|---|---|
| 13,002,700 | |||||
| Metropolitan Populations | |||||
| Philadephia-Camden- Wilmington |
6,245,051 | Pittsburgh | 2,370,930 | Allentown-Bethlehem- Easton |
861,889 |
| Harrisburg-Carlisle | 591,712 | Scranton – Wilkes-Barre | 567,559 | Lancaster | 552,984 |
| York-Hanover | 456,438 | Reading | 428,849 | Erie | 270,876 |
| Top County Populations | |||||
| Philadelphia | 1,603,797 | Allegheny | 1,250,578 | Montgomery | 856,553 |
| Bucks | 646,538 | Delaware | 576,830 | Lancaster | 552,984 |
| Chester | 534,413 | York | 456,438 | Berks | 428,849 |
| Top City Populations | |||||
| Philadelphia | 1,578,487 | Pittsburgh | 299,226 | Allentown | 121,470 |
| Erie | 95,077 | Reading | 88,217 | Upper Darby* | 82,883 |
| Scranton | 76,532 | Bethlehem | 75,466 | Lancaster | 58,990 |
| * – Township Sources: 2020 U.S. Census Data (metro populations and counties), 2020 U.S. Census Estimate (cities) |
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About Pennsylvania
- Capital:
Harrisburg - Nickname: The Keystone State
- State Flower: Mountain Laurel
- State Bird: Ruffed Grouse
- State Tree: Eastern Hemlock
- Total Interstate Mileage: 1,862.21
- Land Area: 44,742.70 square miles
- Highest Point: Mount Davis in Somserset County: 3,213 feet
- Lowest Point: Delaware River at Sea level
- Number of Counties: 67
- Statehood: 2nd State, December 12, 1787
Major League Sports Franchises:
- Philadelphia Eagles (NFL)
- Pittsburgh Steelers (NFL)
- Philadelphia Phillies (MLB)
- Pittsburgh Pirates (MLB)
- Philadelphia 76ers (NBA)
- Philadelphia Flyers (NHL)
- Pittsburgh Penguins (NHL)
- Philadephia Union (MLS)
- Philadelphia Athletics (MLB) – Moved to Kansas City in 1955, then to Oakland in 1968
- Philadelphia Warriors (NBA) – moved to San Francisco in 1962
Updated December 30, 2021.



U.S. 1
U.S. 13
U.S. 15
U.S. 19
U.S. 20
U.S. 22
U.S. 30
U.S. 202
U.S. 209
U.S. 220
U.S. 222
U.S. 224
U.S. 322
U.S. 422
U.S. 15 Business – Gettysburg
U.S. 222 Business – Reading
U.S. 322 Business – West Chester