Residential delivery area · Maine
ZIP Code 04240: Lewiston, ME
ZIP code 04240 is in Lewiston, Maine, entirely in Androscoggin County (Census 2020 ZIP-county file). About 38,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $55,393 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lewiston · its only residential ZIP
- County
- Androscoggin County
- Census places
- Lewiston
- Metro area
- Lewiston-Auburn, ME
- House district
- ME-2 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 34.1 sq mi · 1,122 people per sq mi
Where is ZIP code 04240?
04240 centers on 44.090°, -70.172° and covers 34.1 square miles of land plus 1.4 of water. It borders 5 ZIP codes: 04210, 04250, 04280, 04236, 04222.
The map draws ZIP code areas only. For the streets inside 04240, 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 04240 compare with the rest of Androscoggin County?
| Measure | 04240 | In Androscoggin County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 38,324 | 1st of 14 | 2nd of 426 |
| Median household income | $55k | 11th of 12 | 175th of 200 |
| Median home value | $235k | 10th of 13 | 152nd of 242 |
Its median household income is higher than in 22% of U.S. residential ZIP codes, and it is denser than 79% 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 04240?
The 2020 Census counted 37,121 people in 04240; the ACS, which samples households over 2020-2024, estimates 38,324. Between the 2010 and 2020 censuses its population grew 1.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,324
- 2020 Census count
- 37,121+1.4% since 2010 (36,592)
- Households
- 16,099
- Median age
- 37.3
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 04240?
Of the 38,324 people the ACS estimates in 04240, 20.6% are under 18 and 18.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (77.3%), then Black (not Hispanic) (13.8%).
- Under 1820.6%
- 18 to 6461.1%
- 65 and older18.3%
- White, not Hispanic77.3%
- Black, not Hispanic13.8%
- Other or two or more4.3%
- Hispanic or Latino3.1%
- Asian, not Hispanic1.7%
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 04240 earn?
Median household income is $55,393 (ACS 2020-2024), the 11th highest of the 12 ranked ZIP codes in Androscoggin County. It is not measurably different from 2015-2019 ($54,629 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $55,393
- Income per person
- $30,979
- Below the poverty line
- 20.0%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 22.6%
- Adjusted gross income per tax return, 2022
- $55,71116,350 returns; wages 76% 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 04240?
FHFA's house price index for 04240, built from repeat sales and appraisals of the same homes, rose 140% from 2015 to 2025 and rose 76% from 2020 to 2025, and moved +8.7% in 2025.
- Median home value (owners' estimate)
- $235,100
- Median gross rent
- $986
- Homes owned by their occupants
- 51.2%
- Housing units
- 17,105
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 04240?
1,015 business establishments had a location in this ZIP code in 2023, 44 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance182
- Retail trade140
- Accommodation and food services98
- Construction89
- Other services (except public administration)86
- Professional, scientific, and technical services79
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 04240?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04210 | Auburn | 24,602 | $67k | 3.9 mi |
| 04250 | Lisbon | 4,782 | $84k | 5.4 mi |
| 04280 | Sabattus | 7,040 | $63k | 5.8 mi |
| 04236 | Greene | 4,417 | $98k | 7.1 mi |
| 04222 | Durham | 4,262 | $99k | 9.4 mi |
| 04252 | Lisbon Falls | 4,968 | $74k | 6.7 mi (near) |
| 04258 | Minot | 2,794 | $96k | 8.8 mi (near) |
| 04287 | Bowdoin | 3,188 | $91k | 10.1 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 Lewiston?
2 more ZIP codes carry the postal name Lewiston, 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 them.
| ZIP | County |
|---|---|
| 04241 | Androscoggin County |
| 04243 | Androscoggin 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.