Zip Code | City | Population |
|---|---|---|
| 04841 | Rockland | 6,986 |
| 04843 | Camden | 5,221 |
| 04864 | Warren | 4,873 |
| 04862 | Union | 4,130 |
| 04856 | Rockport | 3,636 |
| 04861 | Thomaston | 2,753 |
| 04847 | Hope | 1,795 |
| 04574 | Washington | 1,711 |
| 04860 | Tenants Harbor | 1,590 |
| 04563 | Cushing | 1,464 |
| 04854 | Owls Head | 1,440 |
| 04858 | South Thomaston | 1,371 |
| 04547 | Friendship | 1,145 |
| 04863 | Vinalhaven | 981 |
| 04859 | Spruce Head | 781 |
| 04853 | North Haven | 448 |
| 04855 | Port Clyde | 266 |
| 04851 | Matinicus | 95 |
| 04645 | Isle Au Haut | 43 |