Boundary Atlas

ZIP code 45013: Hamilton, OH

ZIP code 45013 is in Hamilton (61% of residents), Ross (3.0%), New Miami (1.6%) and Millville (1.2%), in Butler County (100%) and Hamilton County (<0.1%), Ohio. 33% of its residents live outside city limits. It is in Ohio's 8th congressional district (100%) and Ohio's 1st congressional district (<0.1%). Its state senate districts are State Senate District 4 (97%), State Senate District 5 (2.5%) and State Senate District 8 (<0.1%); its state house districts are State House District 47 (79%), State House District 45 (16%), State House District 46 (2.9%), State House District 40 (2.5%) and State House District 29 (<0.1%).

53,911residents (2020 Census)
117.7 sq miland area
4cities and towns
2congressional districts
57voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Hamilton61%
Ross3.0%
New Miami1.6%
Millville1.2%

CountyShare of ZIP residents
Butler County100%
Hamilton County<0.1%

Town or county subdivisionShare of ZIP residents
Hamilton city61%
Hanover township14%
Ross township13%
St. Clair township4.4%
Morgan township3.8%
Milford township2.1%
Reily township0.9%
Wayne township0.4%
Crosby township<0.1%
Fairfield township<0.1%

Congressional districts

Congressional districtShare of ZIP residents
Ohio's 8th congressional district (OH-08)100%
Ohio's 1st congressional district (OH-01)<0.1%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (OH-08)Warren Davidson (R)202-225-6205100%
U.S. Representative (OH-01)Greg Landsman (D)202-225-2216<0.1%
U.S. SenatorBernie Moreno (R)202-224-2315statewide
U.S. SenatorJon Husted (R)202-224-3353statewide
State Senator (State Senate District 4)George Lang (R)97%
State Senator (State Senate District 5)Steve Huffman (R)2.5%
State Senator (State Senate District 8)Bill Blessing (R)<0.1%
State Representative (State House District 47)Diane Mullins (R)79%
State Representative (State House District 45)Jennifer Gross (R)16%
State Representative (State House District 46)Thomas Hall (R)2.9%
State Representative (State House District 40)Rodney Creech (R)2.5%
State Representative (State House District 29)Cindy Abrams (R)<0.1%

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: 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 497%
State Senate District 52.5%
State Senate District 8<0.1%

State house districtShare of ZIP residents
State House District 4779%
State House District 4516%
State House District 462.9%
State House District 402.5%
State House District 29<0.1%

Voting precincts

57 voting precincts overlap ZIP 45013. Map them, with each precinct's share of the ZIP's residents.

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ZIP 45013 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.