Colorado / CO-01
Colorado District 1
Score
Irregularity score 96 Very irregularLess compact than 98% of other congressional districts.
9th least compact of 429 nationally, 1st of 8 in Colorado.
A score describes shape, not intent. Coastlines, rivers and the Voting Rights Act can all make a district irregular. How scores work
The three measures
- Polsby-Popper
- 0.09at least as compact as 7% of districts on this measure
Area compared with perimeter. Low for jagged or snaking edges.
- Reock
- 0.18at least as compact as 2% of districts on this measure
Area compared with the smallest circle around the district, counting only land. Low for stretched shapes.
- Convex hull
- 0.49at least as compact as 3% of districts on this measure
Area compared with a rubber band stretched around the district, counting only land. Low for bites and tentacles.
Each measure runs from 0 to 1, where 1 is a perfect circle or a shape with no dents.
Cities and towns
The largest places with people in this district, from the 2020 Census. A place split between districts shows how many of its residents live in this one.
- Denver city714,390 of its 715,522 residents
- Glendale cityall 4,613 residents
- Holly Hills communityall 2,683 residents
- Berkley community29 of its 12,536 residents
- Lakewood city13 of its 155,984 residents
2024 presidential vote
Shares of the votes for the two of them; other candidates are left out. Colorado used the same lines in 2024, so this is added up from precinct results. A precinct split between districts is divided by its House votes, so the figures are close estimates. Where the votes come from
U.S. House
Melat Kiros, Democrat
Elected November 3, 2026, takes office January 3, 2027.
Unofficial results from the Colorado Secretary of State, checked November 6, 2026. A race shows a winner once news decision desks have called it. Results become official when the state certifies them. Where this comes from
Colorado's senators
- Michael F. Bennet, Democrat
- John W. Hickenlooper, DemocratRe-elected November 3, 2026.
Senators are elected by the whole state, so district lines don't change who they are. Senators serving as of November 6, 2026. Senators elected in November 2026 take office January 3, 2027. Where this comes from
Where it sits in Colorado
- Very compact (0 to 19)
- Compact (20 to 39)
- Middle (40 to 59)
- Irregular (60 to 79)
- Very irregular (80 to 100)
The area outlined with dashes on the map, enlarged so its smaller districts can be seen.