ZIP code · Grand Portage · Minnesota · United States
ZIP code 55605 — Grand Portage
ZIP code 55605 serves Grand Portage, Minnesota.
- Postal code
- 55605Single source Value from one source, not cross-checked.
- City
- Grand Portage
- County
- Cook FIPS 27031
- State
- Minnesota
- Country
- United States
- Coordinates
- 47.9591, -89.6989 — precision precise (locality)
View on OpenStreetMap - Population
- 612 (ZCTA, ACS 5-year)
- Population density
- 8 / sq mi
- Land area
- 74 sq mi (191.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $52,750
- Per-capita income
- $30,337
- Median age
- 44.4
- Households
- 293
- Housing units
- 364
- Median home value
- $139,400
- Median gross rent
- $613 / month
- Congressional district
- MN-8 (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/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 218 (from the nearest rate centre)Telephone 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 55605 with another ZIP · ZIPs within 25 miles · distance from 55605
Map of ZIP code 55605
Climate — monthly normals
Warmest month Jul (avg high 74°F), coldest Jan (avg low 1°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 20 | 24 | 34 | 45 | 58 | 68 | 74 | 73 | 65 | 51 | 38 | 26 |
| Avg low °F | 1 | 2 | 13 | 26 | 37 | 46 | 52 | 52 | 44 | 33 | 22 | 9 |
| Precip in | 1.4 | 1.0 | 1.3 | 2.8 | 3.1 | 3.6 | 3.4 | 3.0 | 3.1 | 3.4 | 2.6 | 1.7 |
NOAA 1991–2020 climate normals from the nearest station: GRAND PORTAGE (0.9 mi) · NOAA NCEI
Places in ZIP 55605
- 1 schools
- 1 restaurants & cafés
- 3 parks
- 4 playgrounds
- 1 places of worship
- 4 gas 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