Boundary Atlas

ZIP code 46531: Oregon, IN

ZIP code 46531 is in Groverton (7.1% of residents), in Starke County (99%) and Marshall County (1.3%), Indiana. 93% of its residents live outside city limits. It is in Indiana's 2nd congressional district. Its state senate district is State Senate District 8; its state house districts are State House District 20 (99%) and State House District 17 (1.3%).

1,387residents (2020 Census)
21.2 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Indiana

City and county

City or townShare of ZIP residents
Groverton7.1%
Donaldson0.4%

CountyShare of ZIP residents
Starke County99%
Marshall County1.3%

Town or county subdivisionShare of ZIP residents
Oregon township62%
Washington township36%
West township1.3%

Congressional district

Congressional districtShare of ZIP residents
Indiana's 2nd congressional district (IN-02)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IN-02)Rudy Yakym III (R)202-225-3915100%
U.S. SenatorJim Banks (R)202-224-4814statewide
U.S. SenatorTodd Young (R)202-224-5623 · contact formstatewide
State Senator (State Senate District 8)Mike Bohacek (R)100%
State Representative (State House District 20)Jim Pressel (R)99%
State Representative (State House District 17)Jack Jordan (R)1.3%

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 8100%

State house districtShare of ZIP residents
State House District 2099%
State House District 171.3%

Voting precincts

4 voting precincts overlap ZIP 46531. Map them, with each precinct's share of the ZIP's residents.

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ZIP 46531 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.