Boundary Atlas

ZIP code 47342: Gaston, IN

ZIP code 47342 is in Gaston (31% of residents), in Delaware County, Indiana. 69% of its residents live outside city limits. It is in Indiana's 5th congressional district. Its state senate district is State Senate District 26; its state house district is State House District 35.

2,533residents (2020 Census)
49.1 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
Gaston31%

CountyShare of ZIP residents
Delaware County100%

Town or county subdivisionShare of ZIP residents
Washington township68%
Harrison township30%
Union township1.7%

Congressional district

Congressional districtShare of ZIP residents
Indiana's 5th congressional district (IN-05)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 26100%

State house districtShare of ZIP residents
State House District 35100%

Voting precincts

4 voting precincts overlap ZIP 47342. 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:47342")

ZIP 47342 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.