Boundary Atlas

ZIP code 45205: Cincinnati, OH

ZIP code 45205 is in Cincinnati (99% of residents), in Hamilton County, Ohio. It is in Ohio's 1st congressional district. Its state senate districts are State Senate District 9 (99%) and State Senate District 8 (0.9%); its state house districts are State House District 24 (99%) and State House District 30 (0.9%).

19,517residents (2020 Census)
2.8 sq miland area
1cities and towns
1congressional district
13voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Cincinnati99%

CountyShare of ZIP residents
Hamilton County100%

Town or county subdivisionShare of ZIP residents
Cincinnati city99%
Delhi township0.9%

Congressional district

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

Members of Congress

OfficeMemberContact
U.S. Representative (OH-01)Greg Landsman (D)202-225-2216
U.S. SenatorBernie Moreno (R)202-224-2315
U.S. SenatorJon Husted (R)202-224-3353

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

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 999%
State Senate District 80.9%

State house districtShare of ZIP residents
State House District 2499%
State House District 300.9%

Voting precincts

13 voting precincts overlap ZIP 45205. Map them, with each precinct's share of the ZIP's residents.

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ZIP 45205 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.