Residential delivery area · Maine
ZIP Code 04937: Fairfield, ME
ZIP code 04937 uses the postal name Fairfield, Maine and lies entirely in Somerset County (Census 2020 ZIP-county file). About 6,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $63,933 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Fairfield (a census-designated place); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Fairfield · its only residential ZIP
- County
- Somerset County
- Census places
- Fairfield census-designated place
- House district
- ME-2 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 51.9 sq mi · 122 people per sq mi
Where is ZIP code 04937?
04937 centers on 44.652°, -69.661° and covers 51.9 square miles of land plus 0.7 of water. It borders 8 ZIP codes: 04944, 04975, 04927, 04978, 04901, 04976, 04957, 04963.
The map draws ZIP code areas only. For the streets inside 04937, 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 04937 compare with the rest of Somerset County?
| Measure | 04937 | In Somerset County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 6,358 | 2nd of 26 | 54th of 426 |
| Median household income | $64k | 2nd of 8 | 132nd of 200 |
| Median home value | $164k | 8th of 14 | 212th of 242 |
Its median household income is higher than in 37% of U.S. residential ZIP codes, and it is denser than 57% 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 04937?
The 2020 Census counted 6,363 people in 04937; the ACS, which samples households over 2020-2024, estimates 6,358. Between the 2010 and 2020 censuses its population fell 4.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,358
- 2020 Census count
- 6,363−4.2% since 2010 (6,645)
- Households
- 2,812
- Median age
- 43.6
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 04937?
Of the 6,358 people the ACS estimates in 04937, 19.9% are under 18 and 17.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.9%).
- Under 1819.9%
- 18 to 6462.4%
- 65 and older17.6%
- White, not Hispanic94.9%
- Other or two or more3.0%
- Hispanic or Latino1.7%
- Asian, not Hispanic0.4%
- Black, not Hispanic0.0%
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 04937 earn?
Median household income is $63,933 (ACS 2020-2024), the 2nd highest of the 8 ranked ZIP codes in Somerset County. It is not measurably different from 2015-2019 ($49,969 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $63,933±$10,453
- Income per person
- $33,305
- Below the poverty line
- 10.9%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 15.4%
- Adjusted gross income per tax return, 2022
- $57,1163,100 returns; wages 79% 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 04937?
FHFA's house price index for 04937, built from repeat sales and appraisals of the same homes, rose 145% from 2015 to 2025 and rose 96% from 2020 to 2025, and moved +24.4% in 2025.
- Median home value (owners' estimate)
- $163,700
- Median gross rent
- $1,001
- Homes owned by their occupants
- 78.1%
- Housing units
- 2,986
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 04937?
151 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade32
- Construction31
- Health care and social assistance14
- Professional, scientific, and technical services10
- Other services (except public administration)10
- Administrative and support and waste management and remediation services9
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 04937?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04944 | Hinckley | 140 | – | 2.6 mi |
| 04975 | Shawmut | 21 | – | 4.0 mi |
| 04927 | Clinton | 3,385 | $72k | 6.0 mi |
| 04978 | Smithfield | 856 | $108k | 6.8 mi |
| 04901 | Waterville | 27,870 | $57k | 8.8 mi |
| 04976 | Skowhegan | 10,072 | $54k | 9.5 mi |
| 04957 | Norridgewock | 4,006 | $66k | 10.8 mi |
| 04963 | Oakland | 7,524 | $78k | 11.9 mi |
| 04924 | Canaan | 2,063 | $58k | 10.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.