Residential delivery area · Maine
ZIP Code 04978: Smithfield, ME
ZIP code 04978 uses the postal name Smithfield, Maine and lies entirely in Somerset County (Census 2020 ZIP-county file). About 860 people live there (Census Bureau, ACS 2020-2024). Median household income is $107,917 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Smithfield · its only residential ZIP
- County
- Somerset County
- House district
- ME-2 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 19.9 sq mi · 43 people per sq mi
Where is ZIP code 04978?
04978 centers on 44.642°, -69.800° and covers 19.9 square miles of land plus 4.9 of water. It borders 4 ZIP codes: 04963, 04957, 04937, 04917.
The map draws ZIP code areas only. For the streets inside 04978, 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 04978 compare with the rest of Somerset County?
| Measure | 04978 | In Somerset County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 856 | 19th of 26 | 285th of 426 |
| Median household income | $108k | not ranked | not ranked |
| Median home value | $243k | not ranked | not ranked |
04978's income and home value are not ranked: it has fewer than 1,000 residents (856). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 39% of 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 04978?
The 2020 Census counted 925 people in 04978; the ACS, which samples households over 2020-2024, estimates 856. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 856±144 (90% margin)
- 2020 Census count
- 925
- Households
- 413
- Median age
- 55.8
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 04978?
Of the 856 people the ACS estimates in 04978, 10.0% are under 18 and 29.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.2%).
- Under 1810.0%
- 18 to 6460.3%
- 65 and older29.7%
- White, not Hispanic98.2%
- Other or two or more0.8%
- Hispanic or Latino0.7%
- Asian, not Hispanic0.2%
- 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 04978 earn?
Median household income is $107,917 (ACS 2020-2024).
- Median household income
- $107,917±$26,605
- Income per person
- $55,791
- Below the poverty line
- 5.8%
- Unemployed (of the labor force)
- 5.3%
- Adults 25+ with a bachelor's degree
- 34.7%
- Adjusted gross income per tax return, 2022
- $75,194510 returns; wages 70% 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 04978?
- Median home value (owners' estimate)
- $242,800
- Median gross rent
- $1,109
- Homes owned by their occupants
- 88.9%
- Housing units
- 683
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 04978?
19 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction6
- Other services (except public administration)3
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 04978?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04963 | Oakland | 7,524 | $78k | 5.6 mi |
| 04957 | Norridgewock | 4,006 | $66k | 5.9 mi |
| 04937 | Fairfield | 6,358 | $64k | 6.8 mi |
| 04917 | Belgrade | 3,351 | $88k | 10.8 mi |
| 04918 | Belgrade Lakes | 0 | – | 7.1 mi (near) |
| 04944 | Hinckley | 140 | – | 8.3 mi (near) |
| 04955 | New Sharon | 1,550 | $64k | 9.5 mi (near) |
| 04975 | Shawmut | 21 | – | 10.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.