San Leandro, California
San Leandro is a city in Alameda County, California, with 91,008 residents in 2020. It spans 3 congressional districts: CA-12 (78%), CA-14 (19%) and CA-10 (2.8%). Its state senate district is State Senate District 9; its state house district is Assembly District 20.
County
| County | Share of residents |
|---|---|
| Alameda County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| California's 12th congressional district (CA-12) | 78% |
| California's 14th congressional district (CA-14) | 19% |
| California's 10th congressional district (CA-10) | 2.8% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-12) | Lateefah Simon (D) | 202-225-2661 | 78% |
| U.S. Representative (CA-14) | Aisha Wahab (D) | 202-225-5065 | 19% |
| U.S. Representative (CA-10) | Mark DeSaulnier (D) | 202-225-2095 | 2.8% |
| 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 9) | Tim Grayson (Democratic) | 925-258-1176 | 100% |
| Assembly Member (Assembly District 20) | Liz Ortega (Democratic) | 510-583-8818 | 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
- San Leandro website: http://www.sanleandro.org/
- San Leandro laws: search for the San Leandro, California code of ordinances
- Alameda County website: https://www.acgov.org/
- Alameda County laws: search for the Alameda County, California code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 9 | 100% |
| State house district | Share of residents |
|---|---|
| Assembly District 20 | 100% |
ZIP codes
Percentages mark ZIPs only partly in San Leandro: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get San Leandro'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:0668084")
San Leandro 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.