Johnston, South Carolina
Johnston is a town in Edgefield County, South Carolina, with 1,997 residents in 2020. It is in South Carolina's 3rd congressional district. Its state senate district is State Senate District 25; its state house district is State House District 82.
County
| County | Share of residents |
|---|---|
| Edgefield County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| South Carolina's 3rd congressional district (SC-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (SC-03) | Sheri Biggs (R) | 202-225-5301 | 100% |
| U.S. Senator | Darline Graham (R) | 202-224-5972 | statewide |
| U.S. Senator | Tim Scott (R) | 202-224-6121 · contact form | statewide |
| State Senator (State Senate District 25) | Shane Massey (R) | 100% | |
| State Representative (State House District 82) | Bill Clyburn (Democratic) | 100% |
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
- Johnston website: http://johnstonsc.us/
- Johnston laws: search for the Johnston, South Carolina code of ordinances
- Edgefield County website: https://edgefieldcounty.sc.gov/
- Edgefield County laws: search for the Edgefield County, South Carolina code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 25 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 82 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Johnston: the share of that ZIP's residents living in it.
- 29832 (43%)
Get this in your AI agent
Your agent can get Johnston's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:4537150")
Johnston here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.