ZIP code 55905: Rochester, MN
ZIP code 55905 is in Olmsted County, Minnesota, outside any city or Census-designated place. It is in Minnesota's 1st congressional district. Its state senate district is State Senate District 25; its state house district is State House District 25A.
See it on the mapAll of Minnesota
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Olmsted County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Rochester city | 100% |
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 25) | Liz Boldon (Democratic-Farmer-Labor) | 100% | |
| State Representative (State House District 25A) | Kim Hicks (Democratic-Farmer-Labor) | 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
- 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 25 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 25A | 100% |
Voting precincts
1 voting precinct overlap ZIP 55905. 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:55905")
ZIP 55905 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.