ZIP code 56431: Aitkin, MN
ZIP code 56431 is in Aitkin (25% of residents), in Aitkin County (91%) and Crow Wing County (8.6%), Minnesota. 75% of its residents live outside city limits. It is in Minnesota's 8th congressional district. Its state senate districts are State Senate District 10 (87%), State Senate District 6 (8.6%) and State Senate District 7 (4.3%); its state house districts are State House District 10A (87%), State House District 6A (8.6%) and State House District 7A (4.3%).
See it on the mapAll of Minnesota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Aitkin | 25% |
| County | Share of ZIP residents |
|---|---|
| Aitkin County | 91% |
| Crow Wing County | 8.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Aitkin city | 25% |
| Farm Island township | 11% |
| Nordland township | 11% |
| Aitkin township | 10% |
| Hazelton township | 9.0% |
| Spencer township | 6.0% |
| Glen township | 4.9% |
| Malmo township | 4.0% |
| Rabbit Lake township | 3.7% |
| Wealthwood township | 2.9% |
| Kimberly township | 2.1% |
| Morrison township | 1.9% |
| Fleming township | 1.7% |
| Second Assessment UT | 1.4% |
| Ross Lake township | 1.3% |
| Deerwood township | 1.2% |
| Bay Lake township | 0.5% |
| Garrison township | 0.4% |
| Lee township | 0.3% |
| Jevne township | 0.3% |
| Northwest Aitkin UT | 0.3% |
| Davidson UT | 0.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Minnesota's 8th congressional district (MN-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MN-08) | Pete Stauber (R) | 202-225-6211 | 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 10) | Nathan Wesenberg (R) | 87% | |
| State Senator (State Senate District 6) | Keri Heintzeman (R) | 8.6% | |
| State Senator (State Senate District 7) | Rob Farnsworth (R) | 4.3% | |
| State Representative (State House District 10A) | Ron Kresha (R) | 87% | |
| State Representative (State House District 6A) | Ben Davis (R) | 8.6% | |
| State Representative (State House District 7A) | Spencer Igo (R) | 218-244-1295 | 4.3% |
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
- Aitkin website: http://www.ci.aitkin.mn.us/
- Aitkin laws: search for the Aitkin, Minnesota code of ordinances
- Aitkin County website: http://www.co.aitkin.mn.us
- Aitkin County laws: search for the Aitkin County, Minnesota code of ordinances
- Crow Wing County website: http://www.co.crow-wing.mn.us
- Crow Wing County laws: search for the Crow Wing County, Minnesota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 10 | 87% |
| State Senate District 6 | 8.6% |
| State Senate District 7 | 4.3% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 10A | 87% |
| State House District 6A | 8.6% |
| State House District 7A | 4.3% |
Voting precincts
22 voting precincts overlap ZIP 56431. 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:56431")
ZIP 56431 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.