Boundary Atlas

ZIP code 91105: Pasadena, CA

ZIP code 91105 is in Pasadena (99% of residents), in Los Angeles County, California. It is in California's 28th congressional district (92%), California's 30th congressional district (7.6%) and California's 34th congressional district (0.9%). Its state senate districts are State Senate District 25 (99%) and State Senate District 26 (0.9%); its state house districts are Assembly District 41 (99%) and Assembly District 52 (0.9%).

13,869residents (2020 Census)
4.2 sq miland area
2cities and towns
3congressional districts
7voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Pasadena99%
Los Angeles0.9%

CountyShare of ZIP residents
Los Angeles County100%

Town or county subdivisionShare of ZIP residents
Pasadena CCD99%
Los Angeles CCD0.9%

Congressional districts

Congressional districtShare of ZIP residents
California's 28th congressional district (CA-28)92%
California's 30th congressional district (CA-30)7.6%
California's 34th congressional district (CA-34)0.9%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
MayorVictor Gordo626-744-411199%
U.S. Representative (CA-28)Judy Chu (D)202-225-546492%
U.S. Representative (CA-30)Laura Friedman (D)202-225-41767.6%
U.S. Representative (CA-34)Jimmy Gomez (D)202-225-62350.9%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 25)Sasha Pérez (Democratic)818-409-040299%
State Senator (State Senate District 26)María Elena Durazo (Democratic)213-483-93000.9%
Assembly Member (Assembly District 41)John Harabedian (Democratic)626-351-191799%
Assembly Member (Assembly District 52)Jessica Caloza (Democratic)213-483-52520.9%

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: Mayors: Open States (public domain); 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 2599%
State Senate District 260.9%

State house districtShare of ZIP residents
Assembly District 4199%
Assembly District 520.9%

Voting precincts

7 voting precincts overlap ZIP 91105. Map them, with each precinct's share of the ZIP's residents.

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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:91105")

ZIP 91105 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.