Declo, Idaho
Declo is a city in Cassia County, Idaho, with 338 residents in 2020. It is in Idaho's 2nd congressional district. Its state senate district is State Senate District 27; its state house district is State House District 27.
County
| County | Share of residents |
|---|---|
| Cassia 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 27) | Kelly Anthon (R) | 100% | |
| State Representative (State House District 27) | Clay Handy (R) | 100% | |
| State Representative (State House District 27) | Doug Pickett (R) | 208-862-3387 | 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
- Declo laws: search for the Declo, Idaho code of ordinances
- Cassia County website: http://www.cassiacounty.org
- Cassia County laws: search for the Cassia County, Idaho 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 27 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Declo: the share of that ZIP's residents living in it.
- 83323 (17%)
Get this in your AI agent
Your agent can get Declo's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:1620980")
Declo 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.