Boundary Atlas

ZIP code 91902: Bonita, CA

ZIP code 91902 is in Bonita (64% of residents), Chula Vista (29%) and National City (3.1%), in San Diego County, California. It is in California's 52nd congressional district. Its state senate districts are State Senate District 18 (98%) and State Senate District 39 (1.8%); its state house districts are Assembly District 80 (85%), Assembly District 79 (12%) and Assembly District 75 (2.8%).

17,902residents (2020 Census)
11.2 sq miland area
4cities and towns
1congressional district
21voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Bonita64%
Chula Vista29%
National City3.1%
La Presa0.4%

CountyShare of ZIP residents
San Diego County100%

Town or county subdivisionShare of ZIP residents
San Diego CCD100%

Congressional district

Congressional districtShare of ZIP residents
California's 52nd congressional district (CA-52)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-52)Juan Vargas (D)202-225-8045100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 18)Steve Padilla (Democratic)760-398-644298%
State Senator (State Senate District 39)Akilah Weber Pierson (Democratic)619-688-67001.8%
Assembly Member (Assembly District 80)David Alvarez (Democratic)619-498-858085%
Assembly Member (Assembly District 79)LaShae Sharp-Collins (Democratic)619-465-790312%
Assembly Member (Assembly District 75)Carl DeMaio (R)858-566-75382.8%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1898%
State Senate District 391.8%

State house districtShare of ZIP residents
Assembly District 8085%
Assembly District 7912%
Assembly District 752.8%

Voting precincts

21 voting precincts overlap ZIP 91902. 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:91902")

ZIP 91902 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.