Lost River, Idaho
Lost River is a city in Custer County, Idaho, with 42 residents in 2020. It is in Idaho's 2nd congressional district. Its state senate district is State Senate District 8; its state house district is State House District 8.
County
| County | Share of residents |
|---|---|
| Custer County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Idaho's 2nd congressional district (ID-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (ID-02) | Michael K. Simpson (R) | 202-225-5531 | 100% |
| U.S. Senator | James E. Risch (R) | 202-224-2752 · contact form | statewide |
| U.S. Senator | Mike Crapo (R) | 202-224-6142 · contact form | statewide |
| State Senator (State Senate District 8) | Christy Zito (R) | 208-590-4633 | 100% |
| State Representative (State House District 8) | Faye Thompson (R) | 208-634-6569 | 100% |
| State Representative (State House District 8) | Rob Beiswenger (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
- Lost River laws: search for the Lost River, Idaho code of ordinances
- Custer County laws: search for the Custer County, Idaho code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 8 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 8 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Lost River: the share of that ZIP's residents living in it.
- 83255 (3.8%)
Get this in your AI agent
Your agent can get Lost River'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:1647890")
Lost River 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.