ZIP code 55609: Knife River, MN
ZIP code 55609 is in Knife River (69% of residents), in Lake County, Minnesota. 31% of its residents live outside city limits. It is in Minnesota's 8th congressional district. Its state senate district is State Senate District 3; its state house district is State House District 3B.
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Knife River | 69% |
| County | Share of ZIP residents |
|---|---|
| Lake County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Lake No. 2 UT | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Minnesota's 8th congressional district (MN-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MN-08) | Pete Stauber (R) | 202-225-6211 | 100% |
| U.S. Senator | Amy Klobuchar (D) | 202-224-3244 · contact form | statewide |
| U.S. Senator | Tina Smith (D) | 202-224-5641 · contact form | statewide |
| State Senator (State Senate District 3) | Grant Hauschild (Democratic-Farmer-Labor) | 100% | |
| State Representative (State House District 3B) | Natalie Zeleznikar (R) | 100% |
Elected under MN's previous legislative map; the district's lines changed for 2026.
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Knife River laws: search for the Knife River, Minnesota code of ordinances
- Lake County website: http://www.co.lake.mn.us
- Lake County laws: search for the Lake County, Minnesota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 3 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 3B | 100% |
Voting precincts
1 voting precinct overlap ZIP 55609. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:55609")
ZIP 55609 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.