Boundary Atlas

ZIP code 45162: Harlan, OH

ZIP code 45162 is in Butlerville (5.7% of residents) and Pleasant Plain (4.7%), in Warren County (63%) and Clermont County (37%), Ohio. 90% of its residents live outside city limits. It is in Ohio's 1st congressional district (63%) and Ohio's 2nd congressional district (37%). Its state senate districts are State Senate District 7 (63%) and State Senate District 14 (37%); its state house districts are State House District 55 (63%), State House District 63 (29%) and State House District 62 (8.5%).

2,730residents (2020 Census)
23.9 sq miland area
2cities and towns
2congressional districts
7voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
Butlerville5.7%
Pleasant Plain4.7%

CountyShare of ZIP residents
Warren County63%
Clermont County37%

Town or county subdivisionShare of ZIP residents
Harlan township63%
Wayne township29%
Goshen township8.5%

Congressional districts

Congressional districtShare of ZIP residents
Ohio's 1st congressional district (OH-01)63%
Ohio's 2nd congressional district (OH-02)37%

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 763%
State Senate District 1437%

State house districtShare of ZIP residents
State House District 5563%
State House District 6329%
State House District 628.5%

Voting precincts

7 voting precincts overlap ZIP 45162. 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:45162")

ZIP 45162 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.