ZIP code 55991: Zumbro, MN
ZIP code 55991 is in Zumbro Falls (12% of residents) and Hammond (10%), in Wabasha County (97%) and Olmsted County (3.3%), Minnesota. 78% of its residents live outside city limits. It is in Minnesota's 1st congressional district. Its state senate districts are State Senate District 20 (97%) and State Senate District 25 (3.3%); its state house districts are State House District 20B (80%), State House District 20A (17%) and State House District 25A (3.3%).
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Zumbro Falls | 12% |
| Hammond | 10% |
| County | Share of ZIP residents |
|---|---|
| Wabasha County | 97% |
| Olmsted County | 3.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Zumbro township | 40% |
| Gillford township | 13% |
| Hyde Park township | 13% |
| Zumbro Falls city | 12% |
| Hammond city | 10% |
| Mazeppa township | 4.6% |
| Chester township | 4.1% |
| Oronoco township | 3.3% |
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 20) | Steve Drazkowski (R) | 97% | |
| State Senator (State Senate District 25) | Liz Boldon (Democratic-Farmer-Labor) | 3.3% | |
| State Representative (State House District 20B) | Steve Jacob (R) | 80% | |
| State Representative (State House District 20A) | Pam Altendorf (R) | 17% | |
| State Representative (State House District 25A) | Kim Hicks (Democratic-Farmer-Labor) | 3.3% |
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
- Zumbro Falls laws: search for the Zumbro Falls, Minnesota code of ordinances
- Hammond laws: search for the Hammond, Minnesota code of ordinances
- Wabasha County website: http://www.co.wabasha.mn.us
- Wabasha County laws: search for the Wabasha County, Minnesota code of ordinances
- Olmsted County website: http://www.co.olmsted.mn.us
- Olmsted County laws: search for the Olmsted County, Minnesota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 20 | 97% |
| State Senate District 25 | 3.3% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 20B | 80% |
| State House District 20A | 17% |
| State House District 25A | 3.3% |
Voting precincts
8 voting precincts overlap ZIP 55991. 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:55991")
ZIP 55991 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.