8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 04530 | Bath | 11,275 |
| 04086 | Topsham | 9,706 |
| 04357 | Richmond | 3,566 |
| 04287 | Bowdoin | 3,188 |
| 04579 | Woolwich | 3,158 |
| 04008 | Bowdoinham | 3,142 |
| 04562 | Phippsburg | 2,238 |
| 04548 | Georgetown | 1,012 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Sagadahoc County, Maine (US Census).