ZIP code 55940: Hayfield, MN
ZIP code 55940 is in Hayfield (50% of residents), in Dodge County (95%), Olmsted County (4.5%) and Mower County (0.6%), Minnesota. 50% of its residents live outside city limits. It is in Minnesota's 1st congressional district. Its state senate districts are State Senate District 24 (99%) and State Senate District 23 (0.6%); its state house districts are State House District 24A (99%) and State House District 23B (0.6%).
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Hayfield | 50% |
| County | Share of ZIP residents |
|---|---|
| Dodge County | 95% |
| Olmsted County | 4.5% |
| Mower County | 0.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Hayfield city | 50% |
| Vernon township | 23% |
| Hayfield township | 18% |
| Rock Dell township | 4.5% |
| Westfield township | 2.7% |
| Ashland township | 1.7% |
| Waltham township | 0.6% |
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 24) | Carla Nelson (R) | 99% | |
| State Senator (State Senate District 23) | Gene Dornink (R) | 0.6% | |
| State Representative (State House District 24A) | Duane Quam (R) | 99% | |
| State Representative (State House District 23B) | Patty Mueller (R) | 0.6% |
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
- Hayfield website: http://www.hayfieldmn.com/
- Hayfield laws: search for the Hayfield, Minnesota code of ordinances
- Dodge County website: http://www.co.dodge.mn.us
- Dodge County laws: search for the Dodge 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 24 | 99% |
| State Senate District 23 | 0.6% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 24A | 99% |
| State House District 23B | 0.6% |
Voting precincts
7 voting precincts overlap ZIP 55940. 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:55940")
ZIP 55940 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.