Residential delivery area · Maine
ZIP Code 04574: Washington, ME
ZIP code 04574 uses the postal name Washington, Maine and lies entirely in Knox County (Census 2020 ZIP-county file). About 1,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $59,861 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Washington · its only residential ZIP
- County
- Knox County
- House district
- ME-1 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 38.0 sq mi · 43 people per sq mi
Where is ZIP code 04574?
04574 centers on 44.261°, -69.392° and covers 38.0 square miles of land plus 1.2 of water. It borders 5 ZIP codes: 04862, 04348, 04949, 04354, 04572.
The map draws ZIP code areas only. For the streets inside 04574, 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 04574 compare with the rest of Knox County?
| Measure | 04574 | In Knox County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 1,624 | 8th of 19 | 201st of 426 |
| Median household income | $60k | not ranked | not ranked |
| Median home value | $195k | 13th of 13 | 179th of 242 |
04574's median household income is not ranked: its 90% margin of error (±$16,755) is more than a quarter of the figure ($59,861). 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 04574?
The 2020 Census counted 1,592 people in 04574; the ACS, which samples households over 2020-2024, estimates 1,624. Between the 2010 and 2020 censuses its population grew 5.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,624±241 (90% margin)
- 2020 Census count
- 1,592+5.4% since 2010 (1,510)
- Households
- 684
- Median age
- 48.2
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 04574?
Of the 1,624 people the ACS estimates in 04574, 14.2% are under 18 and 21.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.5%).
- Under 1814.2%
- 18 to 6464.5%
- 65 and older21.3%
- White, not Hispanic94.5%
- Other or two or more3.1%
- Asian, not Hispanic2.0%
- Hispanic or Latino0.4%
- 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 04574 earn?
Median household income is $59,861 (ACS 2020-2024). It is not measurably different from 2015-2019 ($65,568 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $59,861±$16,755
- Income per person
- $38,398
- Below the poverty line
- 15.3%
- Unemployed (of the labor force)
- 1.3%
- Adults 25+ with a bachelor's degree
- 17.3%
- Adjusted gross income per tax return, 2022
- $51,300800 returns; wages 73% 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 04574?
- Median home value (owners' estimate)
- $195,200
- Median gross rent
- $1,036
- Homes owned by their occupants
- 92.5%
- Housing units
- 777
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 04574?
25 business establishments had a location in this ZIP code in 2023, 4 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction8
- Retail trade4
- Agriculture, forestry, fishing and hunting3
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 04574?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04862 | Union | 4,023 | $74k | 5.6 mi |
| 04348 | Jefferson | 3,484 | $79k | 6.3 mi |
| 04949 | Liberty | 969 | $71k | 8.0 mi |
| 04354 | Palermo | 1,473 | $89k | 9.6 mi |
| 04572 | Waldoboro | 5,253 | $69k | 9.6 mi |
| 04341 | Coopers Mills | 42 | – | 8.1 mi (near) |
| 04363 | Windsor | 2,690 | $63k | 9.7 mi (near) |
| 04847 | Hope | 1,748 | $87k | 10.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.