Founded in 1848, Forest County is one of 67 counties in the state of Pennsylvania. Historically, Forest County was formed from parts of Jefferson County; attached to Jefferson County until 1857. The city of Tionesta is the county seat. With FIPS code of 53, Forest County has a population of 7,032 and area of 431 square miles (1,116 km2).
List of all cities in Forest County, PA alphabetically
| City/Town | Postal Code | Area Code |
| Clarington, PA | 15828 | 814 |
| Cooksburg, PA | 16217 | 814 |
| East Hickory, PA | 16321 | 814 |
| Endeavor, PA | 16321 | 814 |
| 16322 | 814 | |
| Marienville, PA | 16239 | 814 |
| Starr, PA | 16353 | 814 |
| Tionesta, PA | 16353 | 814 |
| West Hickory, PA | 16370 | 814 |