Boundary Atlas

ZIP code 56331: Freeport, MN

ZIP code 56331 is in Freeport (35% of residents) and St. Rosa (2.1%), in Stearns County (100%) and Morrison County (<0.1%), Minnesota. 63% of its residents live outside city limits. It is in Minnesota's 7th congressional district. Its state senate districts are State Senate District 12 (83%) and State Senate District 13 (17%); its state house districts are State House District 12A (83%) and State House District 13A (17%).

1,949residents (2020 Census)
69.4 sq miland area
2cities and towns
1congressional district
7voting precincts

See it on the mapAll of Minnesota

City and county

City or townShare of ZIP residents
Freeport35%
St. Rosa2.1%

CountyShare of ZIP residents
Stearns County100%
Morrison Countyland only

Town or county subdivisionShare of ZIP residents
Freeport city35%
Millwood township24%
Krain township17%
Oak township16%
St. Martin township6.2%
St. Rosa city2.1%
Elmdale townshipland only

Congressional district

Congressional districtShare of ZIP residents
Minnesota's 7th congressional district (MN-07)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1283%
State Senate District 1317%
State Senate District 10land only

State house districtShare of ZIP residents
State House District 12A83%
State House District 13A17%
State House District 10Bland only

Voting precincts

7 voting precincts overlap ZIP 56331. 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:56331")

ZIP 56331 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.