Weiser leads Marx by 26, a margin no Democratic governor has reached since 1990

Ballot for Governor, Colorado likely voters, including leaners

Weiser leads Marx 59% to 33% (+26)

Phil Weiser (D)

59%
Victor Marx (R)

33%
Other candidate

4%
Undecided

4%

400 likely November 2026 voters, November 1–2, 2026, margin of error ±4.9 points. Without leaners: Weiser 58%, Marx 32%, other 4%, undecided 5%.

Our November 1–2 survey of 400 likely November voters finds Democrat Phil Weiser at 59% and Republican Victor Marx at 33% in the race for Governor, including voters who lean toward a candidate, with 4% for another candidate and 4% undecided.

For U.S. Senate, Democrat John Hickenlooper leads Republican Mark Baisley 58% to 37% (+21).

Release memo (PDF) Topline (PDF) Crosstabs (Excel)

A 26-point win would be the largest for a Democratic governor since Roy Romer’s landslide in 1990

Roy Romer won re-election by 26.5 points in 1990. Weiser’s 26-point lead runs 7 points ahead of Jared Polis’s 2022 landslide (19.4).

Election	Winner	Runner-up	Margin
1990	Roy Romer (D) 61.9%	John Andrews (R) 35.4%	+26.5
2026, KR poll (Nov. 1–2)	Phil Weiser (D) 59%	Victor Marx (R) 33%	+26
1978	Dick Lamm (D) 58.8%	Ted Strickland (R) 38.5%	+20.2
2022	Jared Polis (D) 58.5%	Heidi Ganahl (R) 39.2%	+19.4
1986	Roy Romer (D) 58.2%	Ted Strickland (R) 41.0%	+17.2

Selected Colorado governor’s races, by winning margin.

Weiser is winning with unaffiliated voters, moderates, and women

Unaffiliated voters. Weiser leads among unaffiliated voters 60% to 29% (+31). Unaffiliated voters are the largest bloc in Colorado’s electorate.
Republican crossover. Marx holds just 75% of Republicans, while 14% of Republicans back Weiser.
Moderates. Weiser leads among moderates 61% to 25% (+36).
Women and men. Weiser leads among women 66% to 27% (+39) and among men 52% to 39% (+13).

Hickenlooper leads Baisley by 21 in the U.S. Senate race

Ballot for U.S. Senate, Colorado likely voters, including leaners

Hickenlooper leads Baisley 58% to 37% (+21)

John Hickenlooper (D)

58%
Mark Baisley (R)

37%
Other candidate

3%
Undecided

2%

Without leaners: Hickenlooper 57%, Baisley 37%, other 3%, undecided 3%.

Hickenlooper leads among unaffiliated voters 59% to 34% (+25) and among women 66% to 32% (+34).

Methodology

Population: Likely November 2026 voters in Colorado.
Completes: 400 likely voters: 133 by live-interviewer phone and 267 by text-to-online.
Field dates: November 1–2, 2026.
Margin of error: ±4.9 percentage points at the 95% confidence level for the full sample; larger for subgroups.

Completes were set by quota on party, turnout history, gender, age, region, and ethnicity to represent likely November 2026 voters.

Reporters and researchers are welcome to cite this poll with attribution to Keating Research. Questions about the poll: contact Spencer Keating.

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