ZIP code · Knife River · Minnesota · United States
ZIP code 55609 — Knife River
ZIP code 55609 serves Knife River, Minnesota.
- Postal code
- 55609Single source Value from one source, not cross-checked.
- City
- Knife River
- County
- Lake FIPS 27075
- State
- Minnesota
- Country
- United States
- Coordinates
- 46.9539, -91.7780 — precision precise (locality)
View on OpenStreetMap - Population
- 118 (ZCTA, ACS 5-year)
- Population density
- 47 / sq mi
- Land area
- 2.5 sq mi (6.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $76,538
- Per-capita income
- $37,814
- Median age
- 87.4
- Households
- 70
- Housing units
- 165
- 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 55609 with another ZIP · ZIPs within 25 miles · distance from 55609
Map of ZIP code 55609
Climate — monthly normals
Warmest month Jul (avg high 75°F), coldest Jan (avg low 7°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 28 | 37 | 48 | 58 | 67 | 75 | 75 | 67 | 54 | 40 | 29 |
| Avg low °F | 7 | 10 | 21 | 31 | 39 | 46 | 55 | 56 | 49 | 38 | 26 | 14 |
| Precip in | 1.0 | 1.2 | 1.5 | 2.6 | 3.3 | 4.2 | 4.0 | 3.5 | 3.5 | 3.0 | 2.2 | 1.6 |
NOAA 1991–2020 climate normals from the nearest station: TWO HARBORS (7.3 mi) · NOAA NCEI
Places in ZIP 55609
- 1 supermarkets
- 1 playgrounds
- 1 gyms & sports centres
- 1 post offices
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