Irwin, South Carolina
Irwin is a Census-designated place (an unincorporated community) in Lancaster County, South Carolina, with 1,321 residents in 2020. It is in South Carolina's 5th congressional district. Its state senate district is State Senate District 27; its state house district is State House District 45.
County
| County | Share of residents |
|---|---|
| Lancaster County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| South Carolina's 5th congressional district (SC-05) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (SC-05) | Ralph Norman (R) | 202-225-5501 | 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 27) | Allen Blackmon (R) | 100% | |
| State Representative (State House District 45) | Brandon Newton (R) | 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
- Irwin laws: search for the Irwin, South Carolina code of ordinances
- Lancaster County laws: search for the Lancaster County, South Carolina code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 27 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 45 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Irwin: the share of that ZIP's residents living in it.
- 29720 (2.6%)
Get this in your AI agent
Your agent can get Irwin'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:4535980")
Irwin here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.