Flipped from RepublicanCalledUnofficial resultsIncumbent defeated
Connecticut Senate District 18
Connecticut State Senate · Connecticut
Joe de la Cruz flipped the seat for Democrats, winning by 5.0 points over Heather Somers.
Fusion voting
Joe de la CruzDemocrat · winner
52.5%19,828
Heather SomersRepublican · incumbent
47.5%17,951
37,779 votes
Source: Connecticut Secretary of the State unofficial resultsUpdated Nov 7, 2026, 12:54 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Joe de la CruzHeather Somers
$152.1K
Raised by the campaign
$153.6K
$131.2K
Public matching funds
$131.4K
$140K
Spent by the campaign
$142K
$12.1K
Cash on hand
$11.6K
Campaign money: Connecticut State Elections Enforcement Commission, through Oct 27, 2026.
Source: Connecticut State Elections Enforcement Commission campaign filingsUpdated Oct 27, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Joe de la Cruz
- 75%
- Heather Somers
- 25%
- Projected margin
- D+5.1