ZIP code 45897: Madison, OH
ZIP code 45897 is in Hancock County, Ohio, outside any city or Census-designated place. It is in Ohio's 5th congressional district. Its state senate district is State Senate District 1; its state house district is State House District 83.
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Hancock County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Madison township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Ohio's 5th congressional district (OH-05) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 83 | 100% |
Voting precincts
2 voting precincts overlap ZIP 45897. 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:45897")
ZIP 45897 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.