Helm

CA-40 House forecast

Safe Rep2026 lines

Polls close . Statewide at 8:00 PM local time. Every voter gets a mail ballot; polling places are open too

Calvert 53% chance

  • Ken Calvert (R)-6% past 7 days53%
  • Young Kim (R)+7% past 7 days47%

Chance over time

  • Calvert53%
  • Kim47%

Chance over time, past month: Calvert from 68% to 53%; Kim from 31% to 47%.

Chance over time, past month, weekly
DateCalvertKim
Sep 22, 202666%34%
Sep 29, 202657%43%
Oct 6, 202659%40%
Oct 14, 202661%41%
Oct 21, 202653%47%

Projected margin

No margin forecast for this race.

Helm simulation

Not among the districts that most often decide House control in the simulation.

Context

  • New lines for 2026: the current CA-40 member was elected on different lines.

More in California

51 more House districts

Ballot measures

  • Billionaire one-time wealth tax passes in California election 2026?No 78%

News and signals

House
92% DEM
Senate
65% DEM