ZIP code 56737: Middle River, MN
ZIP code 56737 is in Middle River (38% of residents), in Marshall County, Minnesota. 62% of its residents live outside city limits. It is in Minnesota's 7th congressional district. Its state senate district is State Senate District 1; its state house district is State House District 1A.
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Middle River | 38% |
| County | Share of ZIP residents |
|---|---|
| Marshall County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Middle River city | 38% |
| Spruce Valley township | 27% |
| Cedar township | 9.2% |
| Holt township | 6.8% |
| Whiteford township | 5.1% |
| East Valley township | 4.7% |
| Thief Lake township | 3.7% |
| Como township | 3.0% |
| Rollis township | 2.0% |
| Moose River township | 1.0% |
| Mud Lake UT | land only |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Minnesota's 7th congressional district (MN-07) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MN-07) | Michelle Fischbach (R) | 202-225-2165 | 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 1) | Mark Johnson (R) | 100% | |
| State Representative (State House District 1A) | John Burkel (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
- Middle River laws: search for the Middle River, Minnesota code of ordinances
- Marshall County website: http://www.co.marshall.mn.us
- Marshall County laws: search for the Marshall County, Minnesota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 1A | 100% |
Voting precincts
11 voting precincts overlap ZIP 56737. 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:56737")
ZIP 56737 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.