Boundary Atlas

ZIP code 51007: Bronson, IA

ZIP code 51007 is in Bronson (43% of residents), in Woodbury County, Iowa. 57% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 7; its state house district is State House District 13.

678residents (2020 Census)
35.2 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Bronson43%

CountyShare of ZIP residents
Woodbury County100%

Town or county subdivisionShare of ZIP residents
Floyd township89%
Grange township10%
Moville township0.4%
West Fork townshipland only

Congressional district

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 7100%

State house districtShare of ZIP residents
State House District 13100%

Voting precincts

3 voting precincts overlap ZIP 51007. 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:51007")

ZIP 51007 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.