Boundary Atlas

ZIP code 93618: Dinuba, CA

ZIP code 93618 is in Dinuba (80% of residents), London (4.5%) and Delft Colony (1.3%), in Tulare County (99%) and Fresno County (1.2%), California. 14% of its residents live outside city limits. It is in California's 21st congressional district. Its state senate districts are State Senate District 16 (99%) and State Senate District 14 (1.2%); its state house districts are Assembly District 33 (99%) and Assembly District 31 (1.2%).

30,709residents (2020 Census)
66.9 sq miland area
6cities and towns
1congressional district
24voting precincts

See it on the mapAll of California

City and county

City or townShare of ZIP residents
Dinuba80%
London4.5%
Delft Colony1.3%
El Monte Mobile Village0.5%
Monson0.5%
Sultana0.4%

CountyShare of ZIP residents
Tulare County99%
Fresno County1.2%

Town or county subdivisionShare of ZIP residents
Dinuba CCD99%
Orange Cove CCD0.7%
Reedley CCD0.5%
Orosi-Cutler CCD0.2%
Visalia CCD<0.1%

Congressional district

Congressional districtShare of ZIP residents
California's 21st congressional district (CA-21)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-21)Jim Costa (D)202-225-3341100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 16)Melissa Hurtado (Democratic)661-395-262099%
State Senator (State Senate District 14)Anna Caballero (Democratic)209-726-54951.2%
Assembly Member (Assembly District 33)Ali Macedo (R)559-636-344099%
Assembly Member (Assembly District 31)Joaquin Arambula (Democratic)559-445-55321.2%

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 ZIP residents
State Senate District 1699%
State Senate District 141.2%

State house districtShare of ZIP residents
Assembly District 3399%
Assembly District 311.2%

Voting precincts

24 voting precincts overlap ZIP 93618. Map them, with each precinct's share of the ZIP's residents.

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ZIP 93618 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.