Boundary Atlas

Lake Forest, California

Lake Forest is a city in Orange County, California, with 85,858 residents in 2020. It is in California's 47th congressional district. Its state senate district is State Senate District 37; its state house district is Assembly District 72.

85,858residents (2020 Census)
16.7 sq miland area
5ZIP codes
1congressional district

County

CountyShare of residents
Orange County100%

Congressional district

Congressional districtShare of residents
California's 47th congressional district (CA-47)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-47)Dave Min (D)202-225-5611100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 37)Steve Choi (R)949-223-5472100%
Assembly Member (Assembly District 72)Diane Dixon (R)949-798-7221100%

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 37100%

State house districtShare of residents
Assembly District 72100%

ZIP codes

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

Get this in your AI agent

Your agent can get Lake Forest'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:0639496")

Lake Forest 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.