Founded in 1800, Erie County is one of 67 counties in the state of Pennsylvania. Historically, Erie County was formed from parts of Allegheny County; attached to Crawford County until 1803. The city of Erie is the county seat. With FIPS code of 49, Erie County has a population of 269,011 and area of 799 square miles (2,069 km2).
List of all cities in Erie County, PA alphabetically
| City/Town | Postal Code | County | Area Code |
| Albion, PA | 16401 | Erie County | 814 |
| 16475 | Erie County | 814 | |
| Albion Correctional Inst, PA | 16475 | Erie County | 814 |
| Belle Valley, PA | 16509 | Erie County | 814 |
| Canadohta Lake, PA | 16438 | Erie County | 814 |
| Cherry Hill, PA | 16401 | Erie County | 814 |
| Citizens Bank, PA | 16522 | Erie County | 814 |
| Columbus Boro, PA | 16407 | Erie County | 814 |
| Conneaut Township, PA | 16401 | Erie County | 814 |
| Corry, PA | 16407 | Erie County | 814 |
| Cranesville, PA | 16410 | Erie County | 814 |
| Crossingville, PA | 16412 | Erie County | 814 |
| East Springfield, PA | 16411 | Erie County | 814 |
| Edinboro, PA | 16412 | Erie County | 814 |
| 16444 | Erie County | 814 | |
| Edinboro University, PA | 16444 | Erie County | 814 |
| Elgin, PA | 16413 | Erie County | 814 |
| Elk Creek Township, PA | 16401 | Erie County | 814 |
| Erie, PA | 16501 | Erie County | 814 |
| 16502 | Erie County | 814 | |
| 16503 | Erie County | 814 | |
| 16504 | Erie County | 814 | |
| 16505 | Erie County | 814 | |
| 16506 | Erie County | 814 | |
| 16507 | Erie County | 814 | |
| 16508 | Erie County | 814 | |
| 16509 | Erie County | 814 | |
| 16510 | Erie County | 814 | |
| 16511 | Erie County | 814 | |
| 16512 | Erie County | 814 | |
| 16514 | Erie County | 814 | |
| 16515 | Erie County | 814 | |
| 16522 | Erie County | 814 | |
| 16530 | Erie County | 814 | |
| 16531 | Erie County | 814 | |
| 16534 | Erie County | 814 | |
| 16538 | Erie County | 814 | |
| 16541 | Erie County | 814 | |
| 16544 | Erie County | 814 | |
| 16546 | Erie County | 814 | |
| 16550 | Erie County | 814 | |
| 16553 | Erie County | 814 | |
| 16563 | Erie County | 814 | |
| 16565 | Erie County | 814 | |
| Erie Ins Exchange, PA | 16530 | Erie County | 814 |
| Fairview, PA | 16415 | Erie County | 814 |
| General Electric Co, PA | 16531 | Erie County | 814 |
| Girard, PA | 16417 | Erie County | 814 |
| Harborcreek, PA | 16421 | Erie County | 814 |
| Lake City, PA | 16423 | Erie County | 814 |
| Lowville, PA | 16442 | Erie County | 814 |
| Lundys Lane, PA | 16401 | Erie County | 814 |
| McKean, PA | 16426 | Erie County | 814 |
| McLane, PA | 16426 | Erie County | 814 |
| Mill Village, PA | 16427 | Erie County | 814 |
| National City of PA, PA | 16538 | Erie County | 814 |
| North East, PA | 16428 | Erie County | 814 |
| North Springfield, PA | 16430 | Erie County | 814 |
| Pageville, PA | 16401 | Erie County | 814 |
| Perry Square, PA | 16507 | Erie County | 814 |
| Phillipsville, PA | 16442 | Erie County | 814 |
| Pnc Bank, PA | 16553 | Erie County | 814 |
| Pont, PA | 16401 | Erie County | 814 |
| Presque Isle, PA | 16506 | Erie County | 814 |
| South Erie, PA | 16508 | Erie County | 814 |
| Times Publishing Co, PA | 16534 | Erie County | 814 |
| Union City, PA | 16438 | Erie County | 814 |
| Waterford, PA | 16441 | Erie County | 814 |
| Wattsburg, PA | 16442 | Erie County | 814 |
| Wesleyville, PA | 16510 | Erie County | 814 |
| West Springfield, PA | 16443 | Erie County | 814 |