Chamberlain, South Dakota
Chamberlain is a city in Brule County, South Dakota, with 2,473 residents in 2020. It is in South Dakota's at-large congressional district. Its state senate district is State Senate District 26; its state house district is State House District 26B.
County
| County | Share of residents |
|---|---|
| Brule 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 26) | Tamara Grove (R) | 100% | |
| State Representative (State House District 26B) | Rebecca Reimer (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
- Chamberlain website: https://www.cityofchamberlain.com/
- Chamberlain laws: search for the Chamberlain, South Dakota code of ordinances
- Brule County laws: search for the Brule County, South Dakota code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 26 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 26B | 100% |
ZIP codes
Percentages mark ZIPs only partly in Chamberlain: the share of that ZIP's residents living in it.
- 57325 (75%)
Get this in your AI agent
Your agent can get Chamberlain'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:4611220")
Chamberlain 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.