ZIP code 45679 is in Seaman (31% of residents), in Adams County (94%) and Highland County (6.4%), Ohio. 69% of its residents live outside city limits. It is in Ohio's 2nd congressional district (94%) and Ohio's 15th congressional district (6.4%). Its state senate districts are State Senate District 14 (94%) and State Senate District 17 (6.4%); its state house districts are State House District 90 (94%) and State House District 91 (6.4%).
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 district
Share of ZIP residents
State Senate District 14
94%
State Senate District 17
6.4%
State house district
Share of ZIP residents
State House District 90
94%
State House District 91
6.4%
Voting precincts
9 voting precincts overlap ZIP 45679.
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:45679")
ZIP 45679 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.