Primary
Democratic Primary
Held June 30, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Jessica Killin ✓ | 44,908 | 61.3% | |
| Joe Reagan | 28,349 | 38.7% |
Republican Primary
Held June 30, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Jeff Crank ✓ | 76,547 | 100.0% |
Full calendar and every race: Colorado primary guide
Race Overview
General Election Polling Trend
PollingSource average — newest qualifying poll of the locked matchup (no polls in the last 30 days). This is an average, not a forecast.
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Candidates
Jeff Crank Nominee Incumbent
RepublicanGeneral Election Polling Average
No scientific polls in the last 30 days — the figure is the newest qualifying poll of the locked matchup (n=1), not a 30-day mean; table shows the most recent 30 days or the newest 3 polls, whichever is more — subscribe for the full history. How accurate is each pollster? →
| Pollster | Date | Sample | MoE | Dem | Rep |
|---|---|---|---|---|---|
| Global Strategy Group (D) partisan·D | 2026-07-21 | 450 LV | ±4.60 | Jessica Killin 44.00% | Jeff Crank 45.00% |
Questions About This Race
Who is winning the 2026 CO-05 House race?
Jeff Crank leads Jessica Willow Killin 45% to 44% in the PollingSource polling average — a R+1.0 margin based on the newest qualifying poll of the locked matchup (no polls in the last 30 days).
Is the 2026 CO-05 House race competitive?
No — the expert consensus rates it Safe R for Republicans.
What does the latest poll of the 2026 CO-05 House race say?
The most recent public poll, from Global Strategy Group (D) (completed July 21, 2026), found Jessica Killin (D) at 44% and Jeff Crank (R) at 45%.
When is the 2026 CO-05 House race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average on this page is the newest qualifying scientific public poll of the locked matchup — there were no scientific polls in the last 30 days, so this is not a 30-day mean. We do not exclude pollsters. Full details: pollingsource.com/methodology.
Race Notes
Replaced Doug Lamborn who retired
Race News
No news coverage yet for this race.