Residential delivery area · Maine
ZIP Code 04901: Waterville, ME
ZIP code 04901 uses the postal name Waterville, Maine and lies entirely in Kennebec County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $57,403 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Waterville (17%) and Winslow (8%); 75% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Waterville · its only residential ZIP
- County
- Kennebec County
- Census places
- Waterville (17%); Winslow (8%) census-designated place
- Micro area
- Augusta-Waterville, ME
- House district
- ME-1 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 78.8 sq mi · 354 people per sq mi
- PO Box ZIPs
- 04903 also use the name Waterville
Where is ZIP code 04901?
04901 centers on 44.541°, -69.573° and covers 78.8 square miles of land plus 3.0 of water. It borders 8 ZIP codes: 04910, 04989, 04927, 04937, 04358, 04988, 04330, 04963.
The map draws ZIP code areas only. For the streets inside 04901, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 04901 compare with the rest of Kennebec County?
| Measure | 04901 | In Kennebec County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 27,870 | 1st of 27 | 4th of 426 |
| Median household income | $57k | 16th of 17 | 160th of 200 |
| Median home value | $205k | 19th of 22 | 172nd of 242 |
Its median household income is higher than in 25% of U.S. residential ZIP codes, and it is denser than 69% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 04901?
The 2020 Census counted 26,491 people in 04901; the ACS, which samples households over 2020-2024, estimates 27,870. Between the 2010 and 2020 censuses its population grew 0.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 27,870
- 2020 Census count
- 26,491+0.9% since 2010 (26,248)
- Households
- 11,451
- Median age
- 39.2
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 04901?
Of the 27,870 people the ACS estimates in 04901, 15.8% are under 18 and 19.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.4%).
- Under 1815.8%
- 18 to 6464.7%
- 65 and older19.6%
- White, not Hispanic89.4%
- Other or two or more5.1%
- Hispanic or Latino2.7%
- Asian, not Hispanic1.5%
- Black, not Hispanic1.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 04901 earn?
Median household income is $57,403 (ACS 2020-2024), the 16th highest of the 17 ranked ZIP codes in Kennebec County. It is not measurably different from 2015-2019 ($55,633 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $57,403±$5,756
- Income per person
- $34,107
- Below the poverty line
- 16.3%
- Unemployed (of the labor force)
- 4.0%
- Adults 25+ with a bachelor's degree
- 29.4%
- Adjusted gross income per tax return, 2022
- $58,76911,920 returns; wages 74% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 04901?
FHFA's house price index for 04901, built from repeat sales and appraisals of the same homes, rose 113% from 2015 to 2025 and rose 79% from 2020 to 2025, and moved +9.8% in 2025.
- Median home value (owners' estimate)
- $204,700
- Median gross rent
- $990
- Homes owned by their occupants
- 60.7%
- Housing units
- 12,296
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 04901?
740 business establishments had a location in this ZIP code in 2023, 7 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade149
- Health care and social assistance123
- Accommodation and food services94
- Other services (except public administration)71
- Construction69
- Professional, scientific, and technical services43
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 04901?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04910 | Albion | 2,204 | $62k | 6.7 mi |
| 04989 | Vassalboro | 4,592 | $72k | 8.6 mi |
| 04927 | Clinton | 3,385 | $72k | 8.7 mi |
| 04937 | Fairfield | 6,358 | $64k | 8.8 mi |
| 04358 | South China | 4,526 | $96k | 8.9 mi |
| 04988 | Unity | 1,894 | $63k | 10.6 mi |
| 04330 | Augusta | 26,690 | $55k | 15.7 mi |
| 04963 | Oakland | 7,524 | $78k | 15.8 mi |
| 04926 | China Village | 0 | – | 5.1 mi (near) |
| 04975 | Shawmut | 21 | – | 5.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Waterville?
1 more ZIP code carries the postal name Waterville, ME without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 04903 | Kennebec County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.