Boundary Atlas

ZIP code 46071: Thorntown, IN

ZIP code 46071 is in Thorntown (39% of residents), in Boone County, Indiana. 61% of its residents live outside city limits. It is in Indiana's 4th congressional district. Its state senate district is State Senate District 7; its state house district is State House District 41.

3,373residents (2020 Census)
69.7 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Indiana

City and county

City or townShare of ZIP residents
Thorntown39%

CountyShare of ZIP residents
Boone County100%

Town or county subdivisionShare of ZIP residents
Sugar Creek township62%
Washington township23%
Jefferson township16%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 7100%

State house districtShare of ZIP residents
State House District 41100%

Voting precincts

4 voting precincts overlap ZIP 46071. Map them, with each precinct's share of the ZIP's residents.

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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:46071")

ZIP 46071 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.