2026 forecast · Delaware Senate

Chris Coons is all but certain to win Delaware's Senate seat.

Chris Coons vs Michael Katz. The model has Coons ahead by 29.1 points, winning 100 percent of 2,000 simulated elections.

Safe DModel D +29.1Updated October 22, 2026
Chris Coons
Democrat
63.6%
265,799 projected votes
Michael Katz
Republican
34.5%
144,013 projected votes
100%Coons
0%Katz
Coons all but certainEach square is one simulated election night, Coons wins about 100 of 100
RatingSafe D100% chance for Coons
Model marginD +29.1No polls in the race
80 percent rangeD +37.9 to D +20.32,000 simulations
Projected votes417,920Coons 63.6%

The county map

Four ways to read the state: margin, shift from 2024, vote bubbles and turnout

Delaware Senate by county

Kent CountyNew Castle CountySussex CountyNew CastleSussexKent
D +40R +40Click a county to zoom · arrow keys step through counties by size
Where the margin is won
New Castle County: Coons +112,158Kent County: Coons +9,893Sussex County: Coons +100
Coons +122,151 net votes from 3 countiesStatewide D +29.2, a 122,151 vote marginKatz +0 net votes from 0 counties

Vote share

Each candidate's projected share and the range of 80 percent of simulations

Chris CoonsDemocrat · 100% to win
63.6%
Michael KatzRepublican · 0% to win
34.5%

Scale runs from 25 to 75 percent. The dot is the forecast, the band is the 80 percent range and the brighter tick marks 50 percent.

Projected statewide vote

417,920 votes
CandidateVotesShare
Chris Coons D265,79963.6%
Michael Katz R144,01334.5%
Other / independents O8,1081.9%
Total417,920100%

Each candidate's expected vote in the On Point simulation, at the forecast's projected turnout.

Every simulated outcome

2,000 sims
D +70.5: 1 simulationsD +68.6: 0 simulationsD +66.6: 0 simulationsD +64.6: 0 simulationsD +62.6: 0 simulationsD +60.7: 0 simulationsD +58.7: 0 simulationsD +56.7: 0 simulationsD +54.7: 4 simulationsD +52.8: 1 simulationsD +50.8: 2 simulationsD +48.8: 3 simulationsD +46.8: 10 simulationsD +44.9: 17 simulationsD +42.9: 23 simulationsD +40.9: 41 simulationsD +38.9: 90 simulationsD +37.0: 129 simulationsD +35.0: 161 simulationsD +33.0: 170 simulationsD +31.0: 226 simulationsD +29.1: 254 simulationsD +27.1: 229 simulationsD +25.1: 199 simulationsD +23.1: 146 simulationsD +21.2: 100 simulationsD +19.2: 82 simulationsD +17.2: 45 simulationsD +15.2: 25 simulationsD +13.3: 21 simulationsD +11.3: 7 simulationsD +9.3: 3 simulationsD +7.3: 3 simulationsD +5.4: 2 simulationsD +3.4: 0 simulationsD +1.4: 3 simulationsR +0.6: 1 simulationsR +2.5: 0 simulationsR +4.5: 1 simulationsR +6.5: 1 simulationsD +71.5R +7.5

80 percent of simulations fall between D +37.9 and D +20.3. Negative margins are Democratic wins.

The trend

Each side's chance of winning over the forecast's recent updates

0%25%50%75%100%100% Coons0% Katz14 updates agoToday

Polling

Every poll in the average, and how the model reads it

Polls of the race

PollsterSampleAgeMargin
On Point averageWeighted averageNo polls

Each margin is the poll as the pollster published it. The forecast counts every poll after its house effect and the undecided split, which is what the trail above shows; hover a margin for the counted value. Lean R and Lean D mark partisan leaning firms.

Model margin
Coons +29.1
Chance of winning
Chris Coons100%
Michael Katz0%
Simulated vote
Chris Coons63.6%
Michael Katz34.5%
Other / independents1.9%
How the model gets there
Partisan leanD +15.0
FundamentalsD +32.8
With pollsD +28.6
Early vote turnoutD +0.6
With early voteD +29.1

Read from 13,817 ballots cast so far in Delaware, against the party mix the forecast expected of them, with similar states and primary turnout. Early vote tracker

Who has endorsed

21 public endorsements in this race, each with where it was reported.

Chris Coons14
  • Matt MeyerGovernor of Delawaresource
  • Lisa Blunt RochesterU.S. Senator from Delawaresource
  • Sarah McBrideU.S. Representative, Delaware at largesource
  • Kathy JenningsDelaware Attorney Generalsource
  • Giffords PACgun safety organizationsource
  • American Federation of Government Employeeslabor unionsource
  • AIPACpro Israel lobbysource
  • J Street PACpro Israel, pro peace PACsource
Michael Katz7
  • Julianne MurrayFormer U.S. Attorney for Delawaresource
  • David LawsonDelaware state senatorsource
  • Daniel ShortFormer Delaware House minority leadersource
  • Delaware Republican convention delegatesstate partysource
  • Independent Party of Delawarethird partysource
  • University of Delaware College RepublicansCollege Republican chaptersource
  • Sussex County Republican Committeecounty partysource
Every endorsement on Watchdog

How we got here

From the state's partisan lean to the forecast, one stage at a time

D +39R +39Partisan leanthe state's baselineD +15.0Fundamentalsapproval, economy, candidatesD +32.8With pollsno pollsD +28.6With early voteturnout so farD +29.1

Who votes for whom

Estimated vote by group from the model's simulated electorate

Estimated vote by group

model crosstabs
GroupShareCoonsKatz
GenderMen47%58.439.7
Women53%66.831.3
Age18 to 2912%65.732.2
30 to 4420%61.836.3
45 to 6431%62.535.6
65+37%62.835.4
RaceWhite67%52.545.7
Black21%89.09.1
Latino6%72.525.6
Asian and other6%79.218.5
Race and genderWhite men31%45.652.6
White women36%58.339.8
Black men10%88.010.0
Black women11%89.98.2
Latino men3%70.827.3
Latino women3%74.223.9
All other races6%79.218.5

Every county

The projected vote in each county, largest first

Projected vote by county

3 counties
CountyCoonsKatzOtherTotalMargin
Statewide266,033143,8828,005417,920D +29.2
New Castle County168,16956,0114,575228,755D +49.3
Sussex County57,82957,7291,998117,556D +0.1
Kent County40,03530,1421,43271,609D +14.1

Projected 2026 votes from the On Point simulation: each county's expected turnout times its simulated vote share. Totals may differ from the race total by rounding.

Methodology
Every county is rebuilt by simulating voters going to the polls, 2,000 times, from On Point Polling survey data, past results, and the polling average. How the model works.