Sagadahoc County, ME ZIP codes
There are 9 ZIP codes in Sagadahoc County, ME, in 9 towns, from 04008 to 04579. The largest are 04530 (Bath), 04086 (Topsham) and 04357 (Richmond).
The county seat is Bath.
- ZIP codes
- 9
- Towns
- 9
- County seat
- Bath
- County FIPS
23023- State
- Maine
- Population
- 37,285
- Median household income
- $87,806
- Land area
- 254 sq mi
- Metro area
- Portland-South Portland
Sagadahoc County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Sagadahoc County ZIP codes
The ZIP codes of Sagadahoc County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Sagadahoc County in numbers
About 37,285 people live in Sagadahoc County, in 16,446 households, the 12th most populous of Maine's 16 counties. The median household income is $87,806 a year, 17% above the Maine median of $74,733 (US: $80,734). The median owner-occupied home is valued at $333,300 (12% above the Maine median), and median gross rent is $1,098 a month. The median age is 47.3; 44.2% of adults 25 and over hold a bachelor's degree or higher (36.2% across Maine); the average commute takes 26 minutes.
| Population | 37,285 |
|---|---|
| Households | 16,446 |
| Median age | 47.3 |
| Median household income | $87,806 |
| Median home value | $333,300 |
| Median gross rent | $1,098 |
| Bachelor's degree or higher | 44.2% |
| Mean commute | 25.8 min |
| Population density | 147 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Sagadahoc County
| Town | ZIP codes | Population |
|---|---|---|
| Bath | 1 | 8,815 |
| Topsham | 1 | 7,271 |
| Bowdoin | 1 | 3,188 |
| Woolwich | 1 | 3,158 |
| Phippsburg | 1 | 2,238 |
| Richmond | 1 | 2,089 |
| Georgetown | 1 | 1,012 |
| Bowdoinham | 1 | 766 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Not sure you are in Sagadahoc County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Sagadahoc County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
04008 | Bowdoinham , ME | Standard | 3,142 | $108,479 | $405,500 |
04086 | Topsham , ME | Standard | 9,706 | $91,028 | $360,800 |
04287 | Bowdoin , ME | Standard | 3,188 | $91,239 | $292,800 |
04357 | Richmond , ME | Standard | 3,566 | $65,854 | $242,700 |
04530 | Bath , ME | Standard | 11,275 | $79,649 | $336,800 |
04548 | Georgetown , ME | Standard | 1,012 | $84,250 | $427,200 |
04562 | Phippsburg , ME | Standard | 2,238 | $107,833 | $335,800 |
04565 | Sebasco Estates , ME | No street area | — | — | — |
04579 | Woolwich , ME | Standard | 3,158 | $102,175 | $254,500 |
Cite this page
zipcodes.pro. “Sagadahoc County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/me/county/sagadahoc
Underlying data is public domain or openly licensed — sources, vintages and licences.