There are 20 zip codes in Mercer County, Pennsylvania. The most populated is 16125, located in Greenville. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 16125 | 17,610 | Greenville |
| 16148 | 16,710 | Hermitage |
| 16127 | 15,350 | Grove City |
| 16146 | 13,169 | Sharon |
| 16137 | 12,710 | Mercer |
| 16150 | 7,045 | Sharpsville |
| 16142 | 5,391 | New Wilmington |
| 16159 | 4,616 | West Middlesex |
| 16121 | 4,309 | Farrell |
| 16145 | 2,693 | Sandy Lake |
| 16153 | 2,266 | Stoneboro |
| 16154 | 1,987 | Transfer |
| 16130 | 1,982 | Hadley |
| 16124 | 1,704 | Fredonia |
| 16133 | 1,570 | Jackson Center |
| 16114 | 561 | Clarks Mills |
| 16161 | 506 | Wheatland |
| 16311 | 438 | Carlton |
| 16113 | 349 | Clark |
| 16151 | 58 | Sheakleyville |