Boundary Atlas

ZIP code 45039: Landen, OH

ZIP code 45039 is in Landen (22% of residents) and Maineville (4.5%), in Warren County, Ohio. 73% of its residents live outside city limits. It is in Ohio's 1st congressional district. Its state senate district is State Senate District 7; its state house districts are State House District 55 (69%) and State House District 56 (31%).

27,529residents (2020 Census)
15.6 sq miland area
5cities and towns
1congressional district
30voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Landen22%
Maineville4.5%
Mason0.3%
Loveland Park0.3%
South Lebanon<0.1%

CountyShare of ZIP residents
Warren County100%

Town or county subdivisionShare of ZIP residents
Hamilton township69%
Deerfield township30%
Mason city0.3%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (OH-01)Greg Landsman (D)202-225-2216100%
U.S. SenatorBernie Moreno (R)202-224-2315statewide
U.S. SenatorJon Husted (R)202-224-3353statewide
State Senator (State Senate District 7)Steve Wilson (R)100%
State Representative (State House District 55)Michelle Teska (R)69%
State Representative (State House District 56)Adam Mathews (R)31%

Elected in 2024 under OH's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

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 7100%

State house districtShare of ZIP residents
State House District 5569%
State House District 5631%

Voting precincts

30 voting precincts overlap ZIP 45039. Map them, with each precinct's share of the ZIP's residents.

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ZIP 45039 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.