ZIP code 55018: Dennison, MN
ZIP code 55018 is in Dennison (23% of residents), in Goodhue County (92%) and Rice County (8.4%), Minnesota. 77% of its residents live outside city limits. It is in Minnesota's 1st congressional district (99%) and Minnesota's 2nd congressional district (0.6%). Its state senate districts are State Senate District 58 (94%) and State Senate District 20 (6.4%); its state house districts are State House District 58B (94%) and State House District 20A (6.4%).
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Dennison | 23% |
| County | Share of ZIP residents |
|---|---|
| Goodhue County | 92% |
| Rice County | 8.4% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Warsaw township | 49% |
| Dennison city | 22% |
| Stanton township | 15% |
| Northfield township | 6.9% |
| Leon township | 6.4% |
| Dennison city | 1.5% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Minnesota's 1st congressional district (MN-01) | 99% |
| Minnesota's 2nd congressional district (MN-02) | 0.6% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MN-01) | Brad Finstad (R) | 202-225-2472 | 99% |
| U.S. Representative (MN-02) | Angie Craig (D) | 202-225-2271 | 0.6% |
| 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 58) | Bill Lieske (R) | 94% | |
| State Senator (State Senate District 20) | Steve Drazkowski (R) | 6.4% | |
| State Representative (State House District 58B) | Drew Roach (R) | 612-296-4237 | 94% |
| State Representative (State House District 20A) | Pam Altendorf (R) | 6.4% |
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
- Dennison laws: search for the Dennison, Minnesota code of ordinances
- Goodhue County website: http://www.co.goodhue.mn.us
- Goodhue County laws: search for the Goodhue County, Minnesota code of ordinances
- Rice County website: http://www.co.rice.mn.us
- Rice County laws: search for the Rice County, Minnesota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 58 | 94% |
| State Senate District 20 | 6.4% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 58B | 94% |
| State House District 20A | 6.4% |
Voting precincts
7 voting precincts overlap ZIP 55018. 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:55018")
ZIP 55018 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.