Boundary Atlas

ZIP code 47338: Eaton, IN

ZIP code 47338 is in Eaton (58% of residents), in Delaware County (99%) and Blackford County (1.2%), Indiana. 42% of its residents live outside city limits. It is in Indiana's 5th congressional district (99%) and Indiana's 3rd congressional district (1.2%). Its state senate districts are State Senate District 26 (99%) and State Senate District 19 (1.2%); its state house districts are State House District 35 (81%) and State House District 33 (19%).

2,680residents (2020 Census)
30.0 sq miland area
1cities and towns
2congressional districts
8voting precincts

See it on the mapAll of Indiana

City and county

City or townShare of ZIP residents
Eaton58%

CountyShare of ZIP residents
Delaware County99%
Blackford County1.2%

Town or county subdivisionShare of ZIP residents
Union township78%
Niles township18%
Hamilton township3.2%
Jackson township0.8%
Licking township0.4%
Delaware township0.3%

Congressional districts

Congressional districtShare of ZIP residents
Indiana's 5th congressional district (IN-05)99%
Indiana's 3rd congressional district (IN-03)1.2%

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.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IN-05)Victoria Spartz (R)202-225-227699%
U.S. Representative (IN-03)Marlin A. Stutzman (R)202-225-44361.2%
U.S. SenatorJim Banks (R)202-224-4814statewide
U.S. SenatorTodd Young (R)202-224-5623 · contact formstatewide
State Senator (State Senate District 26)Scott Alexander (R)99%
State Senator (State Senate District 19)Travis Holdman (R)1.2%
State Representative (State House District 35)Elizabeth Rowray (R)81%
State Representative (State House District 33)J.D. Prescott (R)19%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2699%
State Senate District 191.2%

State house districtShare of ZIP residents
State House District 3581%
State House District 3319%

Voting precincts

8 voting precincts overlap ZIP 47338. 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:47338")

ZIP 47338 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.