ZIP code 55609: Knife River, MN
55609 is a ZIP code in Knife River, Minnesota, mainly in Lake County. About 131 people live here.
- Population
- 131
- Median household income
- $78,208
- Typical home value
- $422,800+7.8% in 12 months
- Median rent
- —gross, per month
- Median age
- 87.7
- Homeowners
- 100%of occupied homes
Shaded: ZIP code 55609's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 55609 details
| City | Knife River |
|---|---|
| State | Minnesota |
| County | Lake County |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 2.5 sq mi, plus 0 sq mi of water |
| Population density | 53 people per sq mi |
| Bachelor's degree or higher | 48.1% of adults 25+ |
| Center coordinates | 46.96650, -91.78876 |
ZIP codes near 55609
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 55804 | Duluth, MN | 7.4 mi | 15,922 |
| 55803 | Duluth, MN | 14.2 mi | 17,662 |
| 55812 | Duluth, MN | 17.2 mi | 10,859 |
| 55805 | Duluth, MN | 18.4 mi | 10,602 |
| 55815 | Duluth, MN | 19.6 mi | — |
| 55801 | Duluth, MN | 19.6 mi | — |
| 55816 | Duluth, MN | 19.6 mi | — |
| 55802 | Duluth, MN | 19.7 mi | 2,399 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 55609?
A typical home in ZIP code 55609 is worth about $422,800 (Zillow Home Value Index). The median household here earns $78,208 a year. See what buying here would cost per month, with Minnesota average taxes and insurance filled in.
Monthly payment for a $422,800 homeWhat can a $78,208 income afford?Rental property numbers
About ZIP code 55609
What city is ZIP code 55609?
ZIP code 55609 is in Knife River, MN, in Lake County.
What county is ZIP code 55609 in?
55609 is mainly in Lake County, Minnesota.
What is the population of ZIP code 55609?
About 131 people live in ZIP code 55609, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 55609 in?
55609 is in Central Time (UTC−6). It observes daylight saving time.