Boundary Atlas

South Whittier, California

South Whittier is a Census-designated place (an unincorporated community) in Los Angeles County, California, with 56,415 residents in 2020. It is in California's 41st congressional district. Its state senate district is State Senate District 34; its state house district is Assembly District 64.

56,415residents (2020 Census)
5.3 sq miland area
4ZIP codes
1congressional district

County

CountyShare of residents
Los Angeles County100%

Congressional district

Congressional districtShare of residents
California's 41st congressional district (CA-41)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-41)Ken Calvert (R)202-225-1986100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 34)Tom Umberg (Democratic)714-558-3785100%
Assembly Member (Assembly District 64)Blanca Pacheco (Democratic)562-861-5803100%

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 residents
State Senate District 34100%

State house districtShare of residents
Assembly District 64100%

ZIP codes

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

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Your agent can get South Whittier'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:0673430")

South Whittier here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.