ZIP code 45843: Forest, OH
ZIP code 45843 is in Forest (36% of residents) and Patterson (3.5%), in Hardin County (61%), Hancock County (20%) and Wyandot County (19%), Ohio. 60% of its residents live outside city limits. It is in Ohio's 4th congressional district (61%) and Ohio's 5th congressional district (39%). Its state senate districts are State Senate District 1 (81%) and State Senate District 26 (19%); its state house districts are State House District 83 (81%) and State House District 87 (19%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Forest | 36% |
| Patterson | 3.5% |
| County | Share of ZIP residents |
|---|---|
| Hardin County | 61% |
| Hancock County | 20% |
| Wyandot County | 19% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Jackson township | 54% |
| Jackson township | 13% |
| Madison township | 7.8% |
| Delaware township | 6.4% |
| Van Buren township | 5.4% |
| Blanchard township | 3.2% |
| Marseilles township | 3.0% |
| Richland township | 2.8% |
| Pleasant township | 2.5% |
| Goshen township | 1.9% |
| Mifflin township | 0.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Ohio's 4th congressional district (OH-04) | 61% |
| Ohio's 5th congressional district (OH-05) | 39% |
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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (OH-04) | Jim Jordan (R) | 202-225-2676 | 61% |
| U.S. Representative (OH-05) | Robert E. Latta (R) | 202-225-6405 | 39% |
| U.S. Senator | Bernie Moreno (R) | 202-224-2315 | statewide |
| U.S. Senator | Jon Husted (R) | 202-224-3353 | statewide |
| State Senator (State Senate District 1) | Rob McColley (R) | 81% | |
| State Senator (State Senate District 26) | Bill Reineke (R) | 19% | |
| State Representative (State House District 83) | Ty Mathews (R) | 81% | |
| State Representative (State House District 87) | Riordan McClain (R) | 19% |
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
- Forest laws: search for the Forest, Ohio code of ordinances
- Patterson laws: search for the Patterson, Ohio code of ordinances
- Hardin County laws: search for the Hardin County, Ohio code of ordinances
- Hancock County website: http://www.co.hancock.oh.us
- Hancock County laws: search for the Hancock County, Ohio code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 81% |
| State Senate District 26 | 19% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 83 | 81% |
| State House District 87 | 19% |
Voting precincts
12 voting precincts overlap ZIP 45843. 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:45843")
ZIP 45843 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.