Boundary Atlas

ZIP code 46368: Portage, IN

ZIP code 46368 is in Portage (95% of residents) and Ogden Dunes (3.0%), in Porter County, Indiana. It is in Indiana's 1st congressional district. Its state senate district is State Senate District 4; its state house district is State House District 10.

39,837residents (2020 Census)
25.3 sq miland area
2cities and towns
1congressional district
28voting precincts

See it on the mapAll of Indiana

City and county

City or townShare of ZIP residents
Portage95%
Ogden Dunes3.0%

CountyShare of ZIP residents
Porter County100%

Town or county subdivisionShare of ZIP residents
Portage township99%
Westchester township1.1%

Congressional district

Congressional districtShare of ZIP residents
Indiana's 1st congressional district (IN-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IN-01)Frank J. Mrvan (D)202-225-2461100%
U.S. SenatorJim Banks (R)202-224-4814statewide
U.S. SenatorTodd Young (R)202-224-5623 · contact formstatewide
State Senator (State Senate District 4)Rodney Pol (Democratic)100%
State Representative (State House District 10)Chuck Moseley (Democratic)100%

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 4100%

State house districtShare of ZIP residents
State House District 10100%

Voting precincts

28 voting precincts overlap ZIP 46368. Map them, with each precinct's share of the ZIP's residents.

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ZIP 46368 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.