Green Grass, South Dakota
Green Grass is a Census-designated place (an unincorporated community) in Dewey County, South Dakota, with 21 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 28A.
County
| County | Share of residents |
|---|---|
| Dewey 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 28A) | Jana Hunt (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
- Green Grass laws: search for the Green Grass, South Dakota code of ordinances
- Dewey County laws: search for the Dewey 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 28A | 100% |
ZIP codes
Percentages mark ZIPs only partly in Green Grass: the share of that ZIP's residents living in it.
- 57625 (0.5%)
Get this in your AI agent
Your agent can get Green Grass'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:4625900")
Green Grass 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.