In the 2026 California 40th District general election, 5 outside groups spent $2.8M: $644K supporting Young Kim (R), $1.7M opposing Young Kim, $360K supporting Ken Calvert (R) and $72,092 opposing Ken Calvert.
outside money
- supporting Young Kim (R)
- $644K
- opposing Young Kim (R)
- $1.7M
- supporting Ken Calvert (R)
- $360K
- opposing Ken Calvert (R)
- $72,092
Result not in yet
Election day is 3 Nov 2026.
Young Kim
RepublicanWaiting for the count
Ken Calvert
RepublicanWaiting for the count
Outside money supporting and opposing each candidate
Both sides on one scaleYoung Kim Republican
$1.7M$644K$644K supporting Young Kim · $1.7M opposing Young Kim
Ken Calvert Republican
$72,092$360K$360K supporting Ken Calvert · $72,092 opposing Ken Calvert
This seat, every election
California 40th District
$9.9M
outside money in the 2026 cycle
- California 40th District general 2026$2.8Moutside money
- California 40th District primary 2026$7.2Moutside money
The candidates
What each candidate’s own campaign raised, beside what outside groups spent supporting and opposing them.
Young Kim
Republican
- Own campaign raised
- $8.8M
- Outside money supporting
- $644K
- Outside money opposing
- $1.7M
Ken Calvert
Republican
- Own campaign raised
- $6.1M
- Outside money supporting
- $360K
- Outside money opposing
- $72,092
- Campaign money to 30 Jun 2026
Week by week
Outside money each week, supporting and opposing the candidates, all candidates combined.
Week of 28 Sep 2026
Supporting $146KOpposing $106K
The groups on each side
The biggest outside groups in this race, by what they spent supporting or opposing each candidate.
Spent supporting a candidate
- America's Credit Unions PACsupporting Young Kim$498K
- Americans 4 Security PACsupporting Ken Calvert$360K
- National Association of Realtors Political Action Committeesupporting Young Kim$75,717
- CFFsupporting Young Kim$70,063
Spent opposing a candidate
- Americans 4 Security PACopposing Young Kim$1.7M
- CFFopposing Ken Calvert$68,576
- Activate Americaopposing Ken Calvert$3,516
- Activate Americaopposing Young Kim$1,732
Who’s connected to whom
The groups that spent supporting or opposing the candidates.
- Americans 4 Security PAC spent opposing Young Kim · $1.7M
- America's Credit Unions PAC spent supporting Young Kim · $498K
- Americans 4 Security PAC spent supporting Ken Calvert · $360K
- National Association of Realtors Political Action Committee spent supporting Young Kim · $75,717
- CFF spent supporting Young Kim · $70,063
- CFF spent opposing Ken Calvert · $68,576
- Activate America spent opposing Ken Calvert · $3,516
- Activate America spent opposing Young Kim · $1,732
- Americans 4 Security gave to Americans 4 Security PAC · $2.5M
- Hermeus Corp gave to Americans 4 Security PAC · $100K
- Golden State Rebellion (CA) gave to CFF · $350K
- Turbo Air gave to CFF · $20,000
- Vote Rev Action Fund gave to Activate America · $11,875
- We Build Progress gave to Activate America · $2,750
- Americans 4 Security PAC spent $1.7M opposing Young Kim$1.7M
- Americans 4 Security PAC spent $360K supporting Ken Calvert$360K
- Americans 4 Security gave $2.5M to Americans 4 Security PAC$2.5M
- Hermeus Corp gave $100K to Americans 4 Security PAC$100K
Polls
Every poll of this race on one timeline.
The average of 2 polls to 9 Sep 2026 has Young Kim at 37.5% and Ken Calvert at 33.5%.
2polls in the average
- polls of this race
- 2
- pollsters
- 2
Young KimKen Calvert
Point at a dot, or tab in and use the arrow keys
Every poll, newest first
- 9 Sep ’26Grassroots Targeting a party-aligned sponsor paid for it5 Sep to 9 Sep 2026 · 800 likely voters
- 12 Jul ’26American Viewpoint a party-aligned sponsor paid for it8 Jul to 12 Jul 2026 · 400 likely voters
Go deeper
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The paperwork