Residential delivery area · Maine
ZIP Code 03909: York, ME
ZIP code 03909 uses the postal name York, Maine and lies entirely in York County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $115,608 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Cape Neddick (10%) and York Harbor (8%); 82% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- York · its only residential ZIP
- County
- York County
- Census places
- Cape Neddick (10%) census-designated place; York Harbor (8%) census-designated place
- Metro area
- Portland-South Portland, ME
- House district
- ME-1 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 35.2 sq mi · 311 people per sq mi
Where is ZIP code 03909?
03909 centers on 43.166°, -70.679° and covers 35.2 square miles of land plus 5.0 of water. It borders 7 ZIP codes: 03911, 03910, 03902, 03904, 03903, 03908, 03905.
The map draws ZIP code areas only. For the streets inside 03909, 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 03909 compare with the rest of York County?
| Measure | 03909 | In York County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 10,943 | 6th of 36 | 24th of 426 |
| Median household income | $116k | 2nd of 24 | 7th of 200 |
| Median home value | $638k | 2nd of 28 | 6th of 242 |
Its median household income is higher than in 89% of U.S. residential ZIP codes, and it is denser than 67% 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 03909?
The 2020 Census counted 10,938 people in 03909; the ACS, which samples households over 2020-2024, estimates 10,943. Between the 2010 and 2020 censuses its population grew 12.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 10,943
- 2020 Census count
- 10,938+12.3% since 2010 (9,738)
- Households
- 4,322
- Median age
- 50.3
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 03909?
Of the 10,943 people the ACS estimates in 03909, 21.6% are under 18 and 29.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.0%).
- Under 1821.6%
- 18 to 6448.5%
- 65 and older29.8%
- White, not Hispanic94.0%
- Other or two or more3.4%
- Hispanic or Latino2.5%
- Asian, not Hispanic0.1%
- 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 03909 earn?
Median household income is $115,608 (ACS 2020-2024), the 2nd highest of the 24 ranked ZIP codes in York County. It is not measurably different from 2015-2019 ($116,283 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $115,608±$24,540
- Income per person
- $55,270
- Below the poverty line
- 6.2%
- Unemployed (of the labor force)
- 2.0%
- Adults 25+ with a bachelor's degree
- 52.7%
- Adjusted gross income per tax return, 2022
- $119,2125,610 returns; wages 56% 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 03909?
FHFA's house price index for 03909, built from repeat sales and appraisals of the same homes, rose 107% from 2015 to 2025 and rose 65% from 2020 to 2025, and moved +6.7% in 2025.
- Median home value (owners' estimate)
- $638,400
- Median gross rent
- $1,513
- Homes owned by their occupants
- 83.2%
- Housing units
- 6,743
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 03909?
409 business establishments had a location in this ZIP code in 2023, 36 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction56
- Retail trade52
- Health care and social assistance49
- Accommodation and food services46
- Professional, scientific, and technical services37
- Administrative and support and waste management and remediation services32
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 03909?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 03911 | York Harbor | 363 | $156k | 3.0 mi |
| 03910 | York Beach | 15 | – | 3.5 mi |
| 03902 | Cape Neddick | 2,665 | $134k | 4.2 mi |
| 03904 | Kittery | 8,389 | $85k | 4.8 mi |
| 03903 | Eliot | 7,146 | $102k | 5.0 mi |
| 03908 | South Berwick | 7,431 | $98k | 5.8 mi |
| 03905 | Kittery Point | 2,084 | $141k | 11.8 mi |
| 03907 | Ogunquit | 1,379 | $114k | 7.1 mi (near) |
| 03854 | New Castle, NH | 827 | $177k | 7.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.