ZIP code 91910: Chula Vista, CA
ZIP code 91910 is in Chula Vista (98% of residents) and Bonita (1.7%), in San Diego County, California. It is in California's 52nd congressional district. Its state senate district is State Senate District 18; its state house district is Assembly District 80.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Chula Vista | 98% |
| Bonita | 1.7% |
| County | Share of ZIP residents |
|---|---|
| San Diego County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Diego CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 52nd congressional district (CA-52) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CA-52) | Juan Vargas (D) | 202-225-8045 | 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 18) | Steve Padilla (Democratic) | 760-398-6442 | 100% |
| Assembly Member (Assembly District 80) | David Alvarez (Democratic) | 619-498-8580 | 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
- Chula Vista laws: search for the Chula Vista, California code of ordinances
- Bonita laws: search for the Bonita, California code of ordinances
- San Diego County laws: search for the San Diego County, California code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 80 | 100% |
Voting precincts
44 voting precincts overlap ZIP 91910. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:91910")
ZIP 91910 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.