Calpine, California
Calpine is a Census-designated place (an unincorporated community) in Sierra County, California, with 223 residents in 2020. It is in California's 1st congressional district. Its state senate district is State Senate District 1; its state house district is Assembly District 1.
County
| County | Share of residents |
|---|---|
| Sierra County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| California's 1st congressional district (CA-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-01) | James Gallagher (R) | 202-225-3076 | 100% |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 | statewide |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form | statewide |
| State Senator (State Senate District 1) | Megan Dahle (R) | 530-879-7424 | 100% |
| Assembly Member (Assembly District 1) | Heather Hadwick (R) | 530-223-6300 | 100% |
Elected in 2024 under CA's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
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
- Calpine laws: search for the Calpine, California code of ordinances
- Sierra County website: https://www.sierracounty.ca.gov/
- Sierra County laws: search for the Sierra County, California code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 1 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 1 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Calpine: the share of that ZIP's residents living in it.
- 96124 (65%)
Get this in your AI agent
Your agent can get Calpine'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:0610004")
Calpine 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.