Boundary Atlas

ZIP code 43950: St. Clairsville, OH

ZIP code 43950 is in St. Clairsville (31% of residents) and Lloydsville (1.1%), in Belmont County (100%) and Harrison County (0.2%), Ohio. 67% of its residents live outside city limits. It is in Ohio's 6th congressional district. Its state senate district is State Senate District 30; its state house districts are State House District 95 (94%) and State House District 96 (5.6%).

16,212residents (2020 Census)
81.7 sq miland area
3cities and towns
1congressional district
25voting precincts

See it on the mapAll of Ohio

City and county

City or townShare of ZIP residents
St. Clairsville31%
Lloydsville1.1%
Bannock0.4%

CountyShare of ZIP residents
Belmont County100%
Harrison County0.2%

Town or county subdivisionShare of ZIP residents
Richland township84%
Wheeling township9.0%
Colerain township5.6%
Smith township0.4%
Athens township0.2%
Union township0.2%

Congressional district

Congressional districtShare of ZIP residents
Ohio's 6th congressional district (OH-06)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (OH-06)Michael A. Rulli (R)202-225-5705100%
U.S. SenatorBernie Moreno (R)202-224-2315statewide
U.S. SenatorJon Husted (R)202-224-3353statewide
State Senator (State Senate District 30)Brian Chavez (R)100%
State Representative (State House District 95)Ty Moore (R)94%
State Representative (State House District 96)Ron Ferguson (R)5.6%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 30100%

State house districtShare of ZIP residents
State House District 9594%
State House District 965.6%

Voting precincts

25 voting precincts overlap ZIP 43950. 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:43950")

ZIP 43950 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.