ZIP code · Houlton · Maine · United States
ZIP code 04730 — Houlton
ZIP code 04730 serves Houlton, Maine.
- Postal code
- 04730Single source Value from one source, not cross-checked.
- City
- Houlton
- County
- Aroostook FIPS 23003
- State
- Maine
- Country
- United States
- Coordinates
- 46.1189, -67.8630 — precision precise (locality)
View on OpenStreetMap - Population
- 10,062 (ZCTA, ACS 5-year)
- Population density
- 41 / sq mi
- Land area
- 244.6 sq mi (633.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $55,345
- Per-capita income
- $31,367
- Median age
- 44
- Households
- 4,140
- Housing units
- 4,803
- Median home value
- $123,500
- Median gross rent
- $701 / month
- Congressional district
- ME-2 (119th Congress)
- USDA hardiness zone
- 4b (-25 to -20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 207Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 04730 with another ZIP · ZIPs within 25 miles · distance from 04730
Map of ZIP code 04730
Climate — monthly normals
Warmest month Jul (avg high 78°F), coldest Jan (avg low 3°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 23 | 26 | 36 | 49 | 64 | 73 | 78 | 77 | 68 | 55 | 41 | 30 |
| Avg low °F | 3 | 3 | 15 | 28 | 39 | 48 | 54 | 52 | 44 | 34 | 25 | 12 |
| Precip in | 2.6 | 1.9 | 2.7 | 2.9 | 3.5 | 4.0 | 3.6 | 3.5 | 3.4 | 4.0 | 3.6 | 3.4 |
NOAA 1991–2020 climate normals from the nearest station: HOULTON INTL AP (3.4 mi) · NOAA NCEI
Places in ZIP 04730
- 18 schools
- 3 hospitals & clinics
- 1 pharmacies
- 2 supermarkets
- 8 restaurants & cafés
- 7 parks
- 3 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 14 places of worship
- 5 banks
- 5 gas stations
- 7 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page