Riding profile

CO-7

US House district — CO · Mixed · us co

The question

CO-7: a safe seat for the Democrats?

Current forecast

Democrat

Safe

Probability
100%
Mean margin (pts)
26.1
P(close race)
0%

Projected vote share

Projection by party

  • Democrat 62.2%

    Brittany Louise Pettersen incumbent

  • Republican 36.1%

    Timothy Bennett

  • Other 1.7%

Watch list

The tightest races

Smallest projected margin. Open one for the numbers.

  1. FL-22Democrat68 %1.1 pt margin
  2. AZ-2Republican57 %1.1 pt margin
  3. OH-10Democrat60 %1.1 pt margin

In context

How this riding stacks up

Democrat Republican Other
HereCO-7 62.2%36.1%1.7%
National averageUnited States 54.3% +7.9 44.9% −8.8 5.1% −3.4

Nationwide averages computed across the 435 riding-level projections (unweighted mean).

Projection track

How the projection has moved

Editorial read

CO-7, a mixed riding in CO, elected a member with the Democrats in the previous cycle, with a 14-point margin. The Vote-Scope model projects the Democrats ahead at 62% vote share, against 36% for the Republicans, and the probability of a close race is negligible.

Sitting member

PETTERSEN, BRITTANY LOUISE

Sits with Democrat

Primary race

Primary results

Held Jun 30, 2026 · Certified official result

Democratic primary

Winner

Brittany Pettersen 100.0%

113,707 votes

Republican primary

Winner

Tim Bennett 100.0%

58,806 votes

Official source →

Who's running

The candidates

Declared and on-ballot candidates for the upcoming election.

  • Democrat Incumbent

    Pettersen, Brittany Louise

  • Republican Challenger

    Bennett, Timothy

Previous election · 2024

Won by
Democrat
Margin
14.2 pts
Margin shift vs current projection
+11.9 pts
Last model run
Cycle
us_house_2026