Boundary Atlas

ZIP code 55431: Bloomington, MN

ZIP code 55431 is in Bloomington, in Hennepin County, Minnesota. It is in Minnesota's 3rd congressional district. Its state senate districts are State Senate District 50 (52%) and State Senate District 51 (48%); its state house districts are State House District 51B (48%), State House District 50B (41%) and State House District 50A (10%).

19,767residents (2020 Census)
7.8 sq miland area
1cities and towns
1congressional district
10voting precincts

See it on the mapAll of Minnesota

City and county

City or townShare of ZIP residents
Bloomington100%

CountyShare of ZIP residents
Hennepin County100%

Town or county subdivisionShare of ZIP residents
Bloomington city100%

Congressional district

Congressional districtShare of ZIP residents
Minnesota's 3rd congressional district (MN-03)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 5052%
State Senate District 5148%

State house districtShare of ZIP residents
State House District 51B48%
State House District 50B41%
State House District 50A10%

Voting precincts

10 voting precincts overlap ZIP 55431. 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:55431")

ZIP 55431 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.