Boundary Atlas

ZIP code 46348: La Crosse, IN

ZIP code 46348 is in La Crosse (50% of residents), in LaPorte County (99%) and Porter County (0.5%), Indiana. 50% of its residents live outside city limits. It is in Indiana's 2nd congressional district (99%) and Indiana's 1st congressional district (0.5%). Its state senate districts are State Senate District 8 (99%) and State Senate District 5 (0.5%); its state house districts are State House District 20 (99%) and State House District 4 (0.5%).

1,127residents (2020 Census)
50.5 sq miland area
1cities and towns
2congressional districts
5voting precincts

See it on the mapAll of Indiana

City and county

City or townShare of ZIP residents
La Crosse50%

CountyShare of ZIP residents
LaPorte County99%
Porter County0.5%

Town or county subdivisionShare of ZIP residents
Dewey township89%
Cass township7.8%
Prairie township2.9%
Morgan township0.5%

Congressional districts

Congressional districtShare of ZIP residents
Indiana's 2nd congressional district (IN-02)99%
Indiana's 1st congressional district (IN-01)0.5%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 899%
State Senate District 50.5%

State house districtShare of ZIP residents
State House District 2099%
State House District 40.5%

Voting precincts

5 voting precincts overlap ZIP 46348. 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:46348")

ZIP 46348 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.