HOUSE
Colorado CO-07 House2026
RACE AT A GLANCE
RACE TYPE
Incumbent running
Brittany Pettersen (D)
COOK PARTISAN VOTING INDEX
Last updated : Nov 17, 2025D +50
R +50
D +8
Race summary
Republicans talked a big game about making a run at the open 7th District in 2022, but they ultimately gave their nominee little support and Brittany Pettersen won by 15 points.Key Dates
Filing Deadline: Mar 17, 2026
Primary Election: Jun 30, 2026
INCUMBENT
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CANDIDATES
DISTRICT DATA
Colorado - 07
West Denver suburbs
Population Breakdown
Source: 2020 Census (VAP) for 2026
Past Presidential Results from this District
2024 Election Results
Source: Dave Leip
2020 Election Results
Source: Dave's Redistricting/VEST
RACE ANALYSIS
Race Analysis
Updated: Mar 20, 2025
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