Boundary Atlas

ZIP code 45237: Cincinnati, OH

ZIP code 45237 is in Cincinnati (65% of residents), Golf Manor (18%), Amberley (9.4%) and Reading (4.7%), in Hamilton County, Ohio. It is in Ohio's 1st congressional district (67%) and Ohio's 8th congressional district (33%). Its state senate districts are State Senate District 9 (85%) and State Senate District 8 (15%); its state house districts are State House District 26 (51%), State House District 25 (34%) and State House District 27 (15%).

21,029residents (2020 Census)
6.1 sq miland area
4cities and towns
2congressional districts
22voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Cincinnati65%
Golf Manor18%
Amberley9.4%
Reading4.7%

CountyShare of ZIP residents
Hamilton County100%

Town or county subdivisionShare of ZIP residents
Cincinnati city65%
Golf Manor village18%
Amberley village9.4%
Reading city4.7%
Springfield township1.9%
Sycamore township0.7%

Congressional districts

Congressional districtShare of ZIP residents
Ohio's 1st congressional district (OH-01)67%
Ohio's 8th congressional district (OH-08)33%

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.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 985%
State Senate District 815%

State house districtShare of ZIP residents
State House District 2651%
State House District 2534%
State House District 2715%

Voting precincts

22 voting precincts overlap ZIP 45237. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:45237")

ZIP 45237 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.