ZIP code · Portland · Maine · United States
ZIP code 04101 — Portland
ZIP code 04101 serves Portland, Maine.
- Postal code
- 04101Single source Value from one source, not cross-checked.
- City
- Portland
- County
- Cumberland FIPS 23005
- State
- Maine
- Country
- United States
- Coordinates
- 43.6606, -70.2589 — precision precise (locality)
View on OpenStreetMap - Population
- 18,128 (ZCTA, ACS 5-year)
- Population density
- 8,926 / sq mi
- Land area
- 2 sq mi (5.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $60,726
- Per-capita income
- $54,573
- Median age
- 36.3
- Households
- 10,323
- Housing units
- 11,510
- Median home value
- $600,600
- Median gross rent
- $1,457 / month
- Congressional district
- ME-1 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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 04101 with another ZIP · ZIPs within 25 miles · distance from 04101
Map of ZIP code 04101
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 35 | 42 | 54 | 64 | 74 | 80 | 79 | 71 | 60 | 48 | 38 |
| Avg low °F | 16 | 17 | 26 | 35 | 46 | 55 | 61 | 60 | 52 | 41 | 32 | 22 |
| Precip in | 3.5 | 3.5 | 4.1 | 4.4 | 3.7 | 4.2 | 3.4 | 3.6 | 3.8 | 5.3 | 4.3 | 4.5 |
NOAA 1991–2020 climate normals from the nearest station: PORTLAND INTL JETPORT (2.2 mi) · NOAA NCEI
Places in ZIP 04101
- 8 schools
- 2 colleges & universities
- 5 hospitals & clinics
- 1 doctors & dentists
- 3 pharmacies
- 6 supermarkets
- 147 restaurants & cafés
- 33 bars & pubs
- 34 parks
- 10 playgrounds
- 8 gyms & sports centres
- 5 libraries
- 4 post offices
- 22 places of worship
- 14 banks
- 5 gas stations
- 2 EV charging stations
- 6 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