Boundary Atlas

Placentia, California

Placentia is a city in Orange County, California, with 52,738 residents in 2020. It spans 3 congressional districts: CA-46 (44%), CA-45 (28%) and CA-38 (28%). It spans 3 state senate districts. Its state house district is Assembly District 59.

52,738residents (2020 Census)
6.7 sq miland area
1ZIP codes
3congressional districts

County

CountyShare of residents
Orange County100%

Congressional districts

Congressional districtShare of residents
California's 46th congressional district (CA-46)44%
California's 45th congressional district (CA-45)28%
California's 38th congressional district (CA-38)28%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-46)J. Luis Correa (D)202-225-296544%
U.S. Representative (CA-45)Derek Tran (D)202-225-241528%
U.S. Representative (CA-38)Linda T. Sánchez (D)202-225-667628%
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)949-223-547267%
State Senator (State Senate District 34)Tom Umberg (Democratic)714-558-378530%
State Senator (State Senate District 30)Bob Archuleta (Democratic)562-406-10013.0%
Assembly Member (Assembly District 59)Phillip Chen (R)714-529-5502100%

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 3767%
State Senate District 3430%
State Senate District 303.0%

State house districtShare of residents
Assembly District 59100%

ZIP codes

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

Get this in your AI agent

Your agent can get Placentia'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:0657526")

Placentia 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.