ZIP code 56003: North Mankato, MN
ZIP code 56003 is in North Mankato (94% of residents), in Nicollet County, Minnesota. 6.2% of its residents live outside city limits. It is in Minnesota's 1st congressional district. Its state senate district is State Senate District 18; its state house district is State House District 18A.
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| North Mankato | 94% |
| County | Share of ZIP residents |
|---|---|
| Nicollet County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| North Mankato city | 94% |
| Belgrade township | 5.4% |
| Nicollet township | 0.7% |
| Oshawa township | <0.1% |
| Mankato city | land only |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Minnesota's 1st congressional district (MN-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MN-01) | Brad Finstad (R) | 202-225-2472 | 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 18) | Nick Frentz (Democratic-Farmer-Labor) | 100% | |
| State Representative (State House District 18A) | Erica Schwartz (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
- North Mankato website: http://www.northmankato.com
- North Mankato laws: search for the North Mankato, Minnesota code of ordinances
- Nicollet County website: http://www.co.nicollet.mn.us
- Nicollet County laws: search for the Nicollet County, Minnesota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 18A | 100% |
Voting precincts
11 voting precincts overlap ZIP 56003. 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:56003")
ZIP 56003 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.