Boundary Atlas

ZIP code 45204: Cincinnati, OH

ZIP code 45204 is in Cincinnati (96% of residents), in Hamilton County, Ohio. It is in Ohio's 1st congressional district. Its state senate districts are State Senate District 9 (96%) and State Senate District 8 (4.1%); its state house districts are State House District 24 (96%) and State House District 30 (4.1%).

5,818residents (2020 Census)
3.1 sq miland area
1cities and towns
1congressional district
9voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Cincinnati96%

CountyShare of ZIP residents
Hamilton County100%

Town or county subdivisionShare of ZIP residents
Cincinnati city96%
Delhi township4.1%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
MayorAftab Pureval513-352-325096%
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 9)Catherine Ingram (Democratic)96%
State Senator (State Senate District 8)Bill Blessing (R)4.1%
State Representative (State House District 24)Dani Isaacsohn (Democratic)96%
State Representative (State House District 30)Mike Odioso (R)4.1%

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: Mayors: Open States (public domain); 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 996%
State Senate District 84.1%

State house districtShare of ZIP residents
State House District 2496%
State House District 304.1%

Voting precincts

9 voting precincts overlap ZIP 45204. Map them, with each precinct's share of the ZIP's residents.

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ZIP 45204 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.