Boundary Atlas

Pasadena, California

Pasadena is a city in Los Angeles County, California, with 138,699 residents in 2020. It spans 2 congressional districts: CA-28 (94%) and CA-30 (6.5%). Its state senate district is State Senate District 25; its state house district is Assembly District 41.

138,699residents (2020 Census)
23.0 sq miland area
10ZIP codes
2congressional districts

County

CountyShare of residents
Los Angeles County100%

Congressional districts

Congressional districtShare of residents
California's 28th congressional district (CA-28)94%
California's 30th congressional district (CA-30)6.5%

Elected officials

OfficeMemberContactShare of residents
MayorVictor Gordo626-744-4111citywide
U.S. Representative (CA-28)Judy Chu (D)202-225-546494%
U.S. Representative (CA-30)Laura Friedman (D)202-225-41766.5%
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)818-409-0402100%
Assembly Member (Assembly District 41)John Harabedian (Democratic)626-351-1917100%

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 residents
State Senate District 25100%

State house districtShare of residents
Assembly District 41100%

ZIP codes

Percentages mark ZIPs only partly in Pasadena: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Pasadena's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:0656000")

Pasadena 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.