Chris Coons, 2026 Delaware Senate Democratic candidate
Chris Coons
DEMOCRATIC
US Senate (D-DE)
2010 – Present
Delaware state flag

Delaware 2026 SENATE FORECAST

Michael Katz, 2026 Delaware Senate Republican candidate
Michael Katz
REPUBLICAN
Delaware State Senate (R)
2009 – 2012

2026 Delaware Senate Forecast:

Proprietary forecast for Delaware's Senate election between Democrat Chris Coons and Republican Michael Katz. This page will update with a daily set of 100,000 new simulations as race fundamentals change in order to produce race odds, projected margin, and forecasted vote share.

The 2026 Delaware Senate election features Democrat Chris Coons and Republican Michael Katz. Incumbent senator Chris Coons is seeking reelection to a fourth term, having served in the US Senate since 2009. In 2024, Kamala Harris won Delaware by 14.7%, and Democrats are expected to easily retain the state's Senate seat in 2026. The race will test whether the incumbent party can hold its existing Senate coalition as national conditions shift during the midterm cycle.

Year
2026
Race
Senate
State
Delaware
Democratic candidate
Chris Coons
Republican candidate
Michael Katz
Incumbent / open seat
Chris Coons
Forecast rating
Solid D
Projected vote
61.3% D / 38.7% R
Projected margin
D +22.6
Forecast odds
98.7% D / 1.3% R
Forecast last updated
12:00 AM on July 2, 2026

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