USRaces / House
CA-40 House race 2026: polls
Last updated: 9 Sep 2026
Leading in average
Young Kim
37.5%
Second
Ken Calvert
33.5%
Margin
+4.0
points, average of 2 pollsters
Latest poll
9 Sep 2026
Grassroots Targeting
Polling average
Latest poll from each pollster (2 pollsters)
Average of the most recent poll per pollster. Polls differ in population (likely voters, registered voters, adults); see details below. Source: VoteHub (CC BY 4.0).
All polls
2 polls in the database
| Pollster | Date | Details | Young Kim | Ken Calvert |
|---|---|---|---|---|
| Grassroots Targeting | 9 Sep 2026 | n=800 · LV · Sep 5–Sep 9 | 43.0 | 34.0 |
| American Viewpoint | 12 Jul 2026 | n=400 · LV · Jul 8–Jul 12 | 32.0 | 33.0 |
