The rating comes from the Crosstab House forecast, which combines the national environment from generic-ballot polling with each district's political lean. Explore the House map.
CA-01 (Safe Democratic) · CA-02 (Safe Democratic) · CA-03 (Safe Democratic) · CA-04 (Safe Democratic) · CA-05 (Likely Republican) · CA-06 (Safe Democratic) · CA-07 (Safe Democratic) · CA-08 (Safe Democratic) · CA-09 (Safe Democratic) · CA-10 (Safe Democratic) · CA-11 (Safe Democratic) · CA-12 (Safe Democratic) · CA-13 (Likely Democratic) · CA-14 (Safe Democratic) · CA-15 (Safe Democratic) · CA-16 (Safe Democratic) · CA-17 (Safe Democratic) · CA-18 (Safe Democratic) · CA-19 (Safe Democratic) · CA-20 (Safe Republican) · CA-21 (Safe Democratic) · CA-22 (Likely Democratic) · CA-23 (Likely Republican) · CA-24 (Safe Democratic) · CA-25 (Safe Democratic) · CA-26 (Safe Democratic) · CA-27 (Safe Democratic) · CA-28 (Safe Democratic) · CA-29 (Safe Democratic) · CA-30 (Safe Democratic) · CA-31 (Safe Democratic) · CA-32 (Safe Democratic) · CA-33 (Safe Democratic) · CA-34 (Safe Democratic) · CA-35 (Safe Democratic) · CA-36 (Safe Democratic) · CA-37 (Safe Democratic) · CA-38 (Safe Democratic) · CA-39 (Safe Democratic) · CA-41 (Safe Democratic) · CA-42 (Safe Democratic) · CA-43 (Safe Democratic) · CA-44 (Safe Democratic) · CA-45 (Safe Democratic) · CA-46 (Safe Democratic) · CA-47 (Safe Democratic) · CA-48 (Safe Democratic) · CA-49 (Safe Democratic) · CA-50 (Safe Democratic) · CA-51 (Safe Democratic) · CA-52 (Safe Democratic)
Crosstab rates California's 40th District Leans Republican: Democrats have a 40% chance of winning it, and the forecast projects Republicans ahead by 1.8 points.
Young Kim (Republican) is the incumbent.
Updated 2026-10-04 · Crosstab, nonpartisan polling analysis.