Sunnyvale, California
Sunnyvale is a city in Santa Clara County, California, with 155,805 residents in 2020. It is in California's 17th congressional district. Its state senate district is State Senate District 10; its state house district is Assembly District 26.
County
| County | Share of residents |
|---|---|
| Santa Clara County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| California's 17th congressional district (CA-17) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Larry Klein | citywide | |
| U.S. Representative (CA-17) | Ro Khanna (D) | 202-225-2631 | 100% |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 | statewide |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form | statewide |
| Assembly Member (Assembly District 26) | Patrick Ahrens (Democratic) | 408-446-2810 | 100% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Sunnyvale website: https://sunnyvale.ca.gov/
- Sunnyvale laws: search for the Sunnyvale, California code of ordinances
- Santa Clara County website: https://www.santaclaracounty.gov/
- Santa Clara County laws: search for the Santa Clara County, California code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 10 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 26 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Sunnyvale: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Sunnyvale'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:0677000")
Sunnyvale 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.