There are 41 zip codes in Penobscot County, Maine. The most populated is 4401, located in Bangor. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
|---|---|---|
| 04401 | Bangor | 44,285 |
| 04412 | Brewer | 9,633 |
| 04444 | Hampden | 9,303 |
| 04468 | Old Town | 9,234 |
| 04473 | Orono | 8,171 |
| 04457 | Lincoln | 5,794 |
| 04930 | Dexter | 4,226 |
| 04474 | Orrington | 3,820 |
| 04428 | Eddington | 3,500 |
| 04953 | Newport | 3,143 |
| 04461 | Milford | 3,073 |
| 04456 | Levant | 2,965 |
| 04469 | Orono | 2,958 |
| 04427 | Corinth | 2,916 |
| 04419 | Carmel | 2,902 |
| 04928 | Corinna | 1,925 |
| 04493 | West Enfield | 1,823 |
| 04418 | Greenbush | 1,785 |
| 04411 | Bradley | 1,693 |
| 04430 | East Millinocket | 1,541 |
| 04448 | Howland | 1,397 |
| 04450 | Kenduskeag | 1,370 |
| 04969 | Plymouth | 1,319 |
| 04488 | Stetson | 1,293 |
| 04460 | Medway | 1,200 |
| 04434 | Etna | 1,200 |
| 04932 | Dixmont | 1,186 |
| 04435 | Exeter | 1,170 |
| 04449 | Hudson | 1,127 |
| 04422 | Charleston | 1,094 |
| 04410 | Bradford | 1,090 |
| 04765 | Patten | 1,030 |
| 04453 | Lagrange | 870 |
| 04939 | Garland | 817 |
| 04455 | Lee | 814 |
| 04487 | Springfield | 812 |
| 04475 | Passadumkeag | 505 |
| 04777 | Stacyville | 427 |
| 04417 | Burlington | 407 |
| 04495 | Winn | 349 |
| 04489 | Stillwater | 327 |