Boundary Atlas

El Monte, California

El Monte is a city in Los Angeles County, California, with 109,450 residents in 2020. It is in California's 38th congressional district. It spans 2 state house districts. Its state senate district is State Senate District 22.

109,450residents (2020 Census)
9.6 sq miland area
4ZIP codes
1congressional district

County

CountyShare of residents
Los Angeles County100%

Congressional district

Congressional districtShare of residents
California's 38th congressional district (CA-38)100%

Elected officials

OfficeMemberContactShare of residents
MayorJessica Anconacitywide
U.S. Representative (CA-38)Linda T. Sánchez (D)202-225-6676100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 22)Susan Rubio (Democratic)909-460-6064100%
Assembly Member (Assembly District 49)Mike Fong (Democratic)626-457-491860%
Assembly Member (Assembly District 56)Lisa Calderon (Democratic)562-692-585840%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 22100%

State house districtShare of residents
Assembly District 4960%
Assembly District 5640%

ZIP codes

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

Get this in your AI agent

Your agent can get El Monte'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:0622230")

El Monte 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.