ZIP code 45107: Blanchester, OH
ZIP code 45107 is in Blanchester (43% of residents), in Clinton County (68%), Warren County (16%), Clermont County (9.4%) and Brown County (7.0%), Ohio. 57% of its residents live outside city limits. It is in Ohio's 1st congressional district (84%) and Ohio's 2nd congressional district (16%). Its state senate districts are State Senate District 10 (68%), State Senate District 14 (16%) and State Senate District 7 (16%); its state house districts are State House District 71 (68%), State House District 63 (16%) and State House District 55 (16%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Blanchester | 43% |
| County | Share of ZIP residents |
|---|---|
| Clinton County | 68% |
| Warren County | 16% |
| Clermont County | 9.4% |
| Brown County | 7.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Marion township | 56% |
| Harlan township | 16% |
| Wayne township | 9.4% |
| Perry township | 7.0% |
| Vernon township | 6.6% |
| Washington township | 4.2% |
| Jefferson township | 0.5% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Ohio's 1st congressional district (OH-01) | 84% |
| Ohio's 2nd congressional district (OH-02) | 16% |
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-01) | Greg Landsman (D) | 202-225-2216 | 84% |
| U.S. Representative (OH-02) | David J. Taylor (R) | 202-225-3164 | 16% |
| 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 10) | Kyle Koehler (R) | 68% | |
| State Senator (State Senate District 14) | Terry Johnson (R) | 16% | |
| State Senator (State Senate District 7) | Steve Wilson (R) | 16% | |
| State Representative (State House District 71) | Levi Dean (R) | 68% | |
| State Representative (State House District 63) | Adam Bird (R) | 16% | |
| State Representative (State House District 55) | Michelle Teska (R) | 16% |
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
- Blanchester website: https://www.blanvillage.com/
- Blanchester laws: search for the Blanchester, Ohio code of ordinances
- Clinton County website: https://co.clinton.oh.us/
- Clinton County laws: search for the Clinton County, Ohio code of ordinances
- Warren County website: https://co.warren.oh.us
- Warren County laws: search for the Warren County, Ohio code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 10 | 68% |
| State Senate District 14 | 16% |
| State Senate District 7 | 16% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 71 | 68% |
| State House District 63 | 16% |
| State House District 55 | 16% |
Voting precincts
15 voting precincts overlap ZIP 45107. 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:45107")
ZIP 45107 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.