Residential delivery area · Maine
ZIP Code 04730: Houlton, ME
ZIP code 04730 uses the postal name Houlton, Maine and lies entirely in Aroostook County (Census 2020 ZIP-county file). About 10,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $61,980 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Houlton (a census-designated place); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Houlton · its only residential ZIP
- County
- Aroostook County
- Census places
- Houlton census-designated place
- House district
- ME-2 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 244.6 sq mi · 41 people per sq mi
Where is ZIP code 04730?
04730 centers on 46.191°, -67.861° and covers 244.6 square miles of land plus 1.9 of water. It borders 7 ZIP codes: 04761, 04760, 04763, 04735, 04471, 04780, 04747.
The map draws ZIP code areas only. For the streets inside 04730, 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 04730 compare with the rest of Aroostook County?
| Measure | 04730 | In Aroostook County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 10,106 | 1st of 42 | 26th of 426 |
| Median household income | $62k | 4th of 14 | 142nd of 200 |
| Median home value | $145k | 8th of 12 | 227th of 242 |
Its median household income is higher than in 33% of U.S. residential ZIP codes, and it is denser than 39% 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 04730?
The 2020 Census counted 9,813 people in 04730; the ACS, which samples households over 2020-2024, estimates 10,106. Between the 2010 and 2020 censuses its population fell 1.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 10,106
- 2020 Census count
- 9,813−1.8% since 2010 (9,992)
- Households
- 4,225
- Median age
- 45.0
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 04730?
Of the 10,106 people the ACS estimates in 04730, 20.5% are under 18 and 21.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.2%).
- Under 1820.5%
- 18 to 6457.9%
- 65 and older21.6%
- White, not Hispanic92.2%
- Other or two or more4.9%
- Hispanic or Latino2.4%
- Black, not Hispanic0.4%
- Asian, not Hispanic0.1%
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 04730 earn?
Median household income is $61,980 (ACS 2020-2024), the 4th highest of the 14 ranked ZIP codes in Aroostook County. It rose from $48,669 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $61,980±$8,628
- Income per person
- $33,599
- Below the poverty line
- 15.5%
- Unemployed (of the labor force)
- 8.0%
- Adults 25+ with a bachelor's degree
- 21.0%
- Adjusted gross income per tax return, 2022
- $56,7164,180 returns; wages 69% 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 04730?
FHFA's house price index for 04730, built from repeat sales and appraisals of the same homes, rose 92% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved +28.8% in 2025.
- Median home value (owners' estimate)
- $145,200
- Median gross rent
- $778
- Homes owned by their occupants
- 72.5%
- Housing units
- 4,851
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 04730?
294 business establishments had a location in this ZIP code in 2023, 16 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade51
- Health care and social assistance49
- Construction31
- Other services (except public administration)29
- Accommodation and food services24
- Transportation and warehousing23
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 04730?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04761 | New Limerick | 372 | $54k | 7.5 mi |
| 04760 | Monticello | 674 | $52k | 10.2 mi |
| 04763 | Oakfield | 629 | $46k | 14.6 mi |
| 04735 | Bridgewater | 492 | $65k | 15.2 mi |
| 04471 | Orient | 730 | $48k | 19.0 mi |
| 04780 | Smyrna Mills | 783 | $63k | 19.5 mi |
| 04747 | Island Falls | 1,316 | $57k | 22.7 mi |
| 04734 | Blaine | 804 | $79k | 20.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.