Buffalo, South Dakota
Buffalo is a town in Harding County, South Dakota, with 346 residents in 2020. It is in South Dakota's at-large congressional district. Its state senate district is State Senate District 28; its state house district is State House District 28B.
County
| County | Share of residents |
|---|---|
| Harding County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| South Dakota's at-large congressional district (SD-AL) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (SD-AL) | Dusty Johnson (R) | 202-225-2801 | 100% |
| U.S. Senator | John Thune (R) | 202-224-2321 · contact form | statewide |
| U.S. Senator | Mike Rounds (R) | 202-224-5842 · contact form | statewide |
| State Senator (State Senate District 28) | Sam Marty (R) | 100% | |
| State Representative (State House District 28B) | Travis Ismay (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
- Buffalo laws: search for the Buffalo, South Dakota code of ordinances
- Harding County laws: search for the Harding County, South Dakota code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 28 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 28B | 100% |
ZIP codes
Percentages mark ZIPs only partly in Buffalo: the share of that ZIP's residents living in it.
- 57720 (46%)
Get this in your AI agent
Your agent can get Buffalo'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:4608140")
Buffalo 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.