ZIP code 43519: Tiffin, OH
ZIP code 43519 is in Defiance County, Ohio, outside any city or Census-designated place. It is in Ohio's 9th congressional district. Its state senate district is State Senate District 1; its state house district is State House District 81.
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Defiance County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Tiffin township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Ohio's 9th congressional district (OH-09) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (OH-09) | Marcy Kaptur (D) | 202-225-4146 | 100% |
| 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) | 100% | |
| State Representative (State House District 81) | Jim Hoops (R) | 100% |
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
- Defiance County website: http://www.defiance-county.com
- Defiance County laws: search for the Defiance County, Ohio code of ordinances
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 81 | 100% |
Voting precincts
1 voting precinct overlap ZIP 43519. 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:43519")
ZIP 43519 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.