County ProfileME
Kennebec County
Population: 123,642 · 33 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
123,642
People
Median age
43.7
Housing
Total households
54,312
Income
Median household income
$69,077
Housing
Total housing units
63,521
Employment
Employment rate
57.6%
Education
Bachelor’s degree or higher
31.9%
Healthcare
Insured population
94.2%
County details
Local time 03:17:35(ET)| Name | Kennebec |
|---|---|
| Total ZIP codes | 33total |
| ZIP codes (by type) | 24 Standard7 PO Box2 Unique |
| Area code | 207 |
| Timezone | Eastern Time (ET) |
| Coordinates | 44.4170119, -69.7657639 |
| Land area | 867.5 sq miles(2,246.8 km²) |
Map of Kennebec county, Maine with ZIP codes
Cities and Communities in Kennebec County
Compare the largest cities in Kennebec County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Augusta | 18,899 | $47,979 | 5ZIPs |
| Waterville | 15,828 | $53,580 | 2ZIPs |
| Gardiner | 5,961 | $71,782 | 1ZIPs |
| Winthrop | 2,666 | $61,058 | 1ZIPs |
| Hallowell | 2,570 | $68,398 | 1ZIPs |
| Oakland | 2,536 | $44,848 | 1ZIPs |
| Farmingdale | 2,000 | $62,006 | 1ZIPs |
| Randolph | 1,743 | $66,574 | 1ZIPs |
| Clinton | 1,386 | $70,625 | 1ZIPs |
| Albion | — | — | 1ZIPs |
| Belgrade | — | — | 1ZIPs |
| Belgrade Lakes | — | — | 1ZIPs |
| China Village | — | — | 1ZIPs |
| East Winthrop | — | — | 1ZIPs |
| Kents Hill | — | — | 1ZIPs |
| Litchfield | — | — | 1ZIPs |
| Manchester | — | — | 1ZIPs |
| Monmouth | — | — | 1ZIPs |
| Mount Vernon | — | — | 1ZIPs |
| North Monmouth | — | — | 1ZIPs |
| North Vassalboro | — | — | 1ZIPs |
| Readfield | — | — | 1ZIPs |
| South China | — | — | 1ZIPs |
| South Gardiner | — | — | 1ZIPs |
| Vassalboro | — | — | 1ZIPs |
| Vienna | — | — | 1ZIPs |
| Wayne | — | — | 1ZIPs |
| Windsor | — | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Kennebec County
Review the most populated postal areas across Kennebec County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 04259 | Monmouth | — | — |
| 04265 | North Monmouth | — | — |
| 04284 | Wayne | — | — |
| 04330 | Augusta | — | — |
| 04332 | Augusta | — | — |
| 04333 | Augusta | — | — |
| 04336 | Augusta | — | — |
| 04338 | Augusta | — | — |
| 04343 | East Winthrop | — | — |
| 04344 | Farmingdale | — | — |
| 04345 | Gardiner | — | — |
| 04346 | Randolph | — | — |
| 04347 | Hallowell | — | — |
| 04349 | Kents Hill | — | — |
| 04350 | Litchfield | — | — |
| 04351 | Manchester | — | — |
| 04352 | Mount Vernon | — | — |
| 04355 | Readfield | — | — |
| 04358 | South China | — | — |
| 04359 | South Gardiner | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS