Ken Calvert, 2026 California 40th District House Democratic candidate
Ken Calvert*
REPUBLICAN
US House of Representatives (R-CA)
1993 – Present
California state flag

California 402026 HOUSE POLLS

Young Kim, 2026 California 40th District House Republican candidate
Young Kim*
REPUBLICAN
US House of Representatives (R-CA)
2021 – Present

2026 California 40th District House Forecast:

The Pollsmax 2026 California 40th District House forecast currently gives Republican Young Kim a 100% chance of winning this all-Republican contest against Republican Ken Calvert. Pollsmax projects Kim to receive 100% of the vote in this all-Republican race. The model currently rates the race as Solid Republican. The forecast is updated using 100,000 simulations incorporating polling and race fundamentals. See the Pollsmax forecast methodology.

The 2026 California 40th District House election features Republicans Ken Calvert and Young Kim. The race features two incumbents following mid-decade redistricting. This race is rated as solid Republican. California conducted mid-decade redistricting prior to the midterms, and the state's new district map benefits Democrats overall.

Year
2026
Race
House
District
CA-40
Republican candidate
Ken Calvert
Republican candidate
Young Kim
Incumbent / open seat
Ken Calvert, Young Kim
Forecast rating
Solid R
Projected vote
0.0% D / 100.0% R
Projected margin
R +100.0
Forecast odds
0.0% D / 100.0% R
Forecast last updated
12:00 AM on November 3, 2026
Polling average
33.3% R / 39.7% R
Polling average margin
Young +6.3
Polling last updated
12:00 AM on September 9, 2026
Polls included
2
Latest poll
Grassroots Targeting (R) — September 9, 2026