ZIP code 45142: Lynchburg, OH
ZIP code 45142 is in Lynchburg (34% of residents) and St. Martin (3.8%), in Highland County (83%), Clinton County (9.2%) and Brown County (7.6%), Ohio. 62% of its residents live outside city limits. It is in Ohio's 15th congressional district (83%), Ohio's 1st congressional district (9.2%) and Ohio's 2nd congressional district (7.6%). Its state senate districts are State Senate District 17 (83%), State Senate District 10 (9.2%) and State Senate District 14 (7.6%); its state house districts are State House District 91 (83%), State House District 71 (9.2%) and State House District 63 (7.6%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Lynchburg | 34% |
| St. Martin | 3.8% |
| County | Share of ZIP residents |
|---|---|
| Highland County | 83% |
| Clinton County | 9.2% |
| Brown County | 7.6% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Dodson township | 55% |
| Union township | 14% |
| Salem township | 9.9% |
| Clark township | 8.1% |
| Perry township | 7.6% |
| Hamer township | 2.4% |
| Clay township | 1.4% |
| Jefferson township | 1.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Ohio's 15th congressional district (OH-15) | 83% |
| Ohio's 1st congressional district (OH-01) | 9.2% |
| Ohio's 2nd congressional district (OH-02) | 7.6% |
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-15) | Mike Carey (R) | 202-225-2015 | 83% |
| U.S. Representative (OH-01) | Greg Landsman (D) | 202-225-2216 | 9.2% |
| U.S. Representative (OH-02) | David J. Taylor (R) | 202-225-3164 | 7.6% |
| 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 17) | Shane Wilkin (R) | 83% | |
| State Senator (State Senate District 10) | Kyle Koehler (R) | 9.2% | |
| State Senator (State Senate District 14) | Terry Johnson (R) | 7.6% | |
| State Representative (State House District 91) | Bob Peterson (R) | 83% | |
| State Representative (State House District 71) | Levi Dean (R) | 9.2% | |
| State Representative (State House District 63) | Adam Bird (R) | 7.6% |
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
- Lynchburg laws: search for the Lynchburg, Ohio code of ordinances
- St. Martin laws: search for the St. Martin, Ohio code of ordinances
- Highland County website: http://co.highland.oh.us/
- Highland County laws: search for the Highland County, Ohio code of ordinances
- Clinton County website: https://co.clinton.oh.us/
- Clinton County laws: search for the Clinton County, Ohio code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 17 | 83% |
| State Senate District 10 | 9.2% |
| State Senate District 14 | 7.6% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 91 | 83% |
| State House District 71 | 9.2% |
| State House District 63 | 7.6% |
Voting precincts
9 voting precincts overlap ZIP 45142. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:45142")
ZIP 45142 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.