California's 21st congressional district (CA-21)

California's 21st congressional district (CA-21) covers parts or all of Fresno County and Tulare County, and 40 ZIP codes (18 wholly inside it). Its 2020 population was 756,411. This is the map in force for the November 3, 2026 election.

Who represents CA-21

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: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

ZIP codes

Percentages mark ZIPs only partly in CA-21: the share of that ZIP's residents inside it.

• 93223 (100%)
• 93235 (99%)
• 93277 (6.2%)
• 93286 (79%)
• 93291 (50%)
• 93292 (48%)
• 93611 (2.9%)
• 93612 (70%)
• 93615
• 93616 (100%)
• 93618
• 93625
• 93631 (95%)
• 93646 (96%)
• 93647 (94%)
• 93648
• 93650 (9.9%)
• 93654 (95%)
• 93657 (76%)
• 93662 (95%)
• 93666
• 93670
• 93673
• 93701
• 93702
• 93703
• 93704
• 93705
• 93706 (88%)
• 93710
• 93711 (47%)
• 93721
• 93722 (56%)
• 93723 (17%)
• 93725 (95%)
• 93726
• 93727 (91%)
• 93728
• 93740
• 93741

Towns

Dinuba CCD, Kingsburg CCD, Parlier-Del Rey CCD, Orange Cove CCD, Fowler CCD, Orosi-Cutler CCD, Selma CCD, Ivanhoe CCD, Reedley CCD, Sanger CCD, Fresno CCD, Woodlake-Three Rivers CCD, Exeter CCD, Visalia CCD and Caruthers-Raisin City CCD.

Get this in your AI agent

Your agent can draw every precinct in CA-21, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:0621", children_level="precinct", include_districts=True)