Colorado / CO-06
Colorado District 6
Score
Irregularity score 89 Very irregularLess compact than 93% of other congressional districts.
29th least compact of 429 nationally, 2nd 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
- 0.10at least as compact as 8% of districts on this measure
Area compared with perimeter. Low for jagged or snaking edges.
- Reock
- 0.26at least as compact as 5% of districts on this measure
Area compared with the smallest circle around the district, counting only land. Low for stretched shapes.
- Convex hull
- 0.66at least as compact as 19% 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.
- Aurora cityall 386,261 residents
- Centennial city105,732 of its 108,418 residents
- Littleton city45,012 of its 45,652 residents
- Ken Caryl communityall 33,811 residents
- Englewood cityall 33,659 residents
- Columbine communityall 25,229 residents
- Four Square Mile communityall 22,872 residents
- Greenwood Village cityall 15,691 residents
- Cherry Creek communityall 11,488 residents
- Cherry Hills Village cityall 6,442 residents
And 7 smaller places. 2% of this district's people live outside any city, town or named community. How places are counted
ZIP codes
31 ZIP codes have residents in this district. 22 of them are split with other districts. A percentage is the share of that ZIP code's 2020 residents who live here.
- 80010
- 80011
- 80012 (99%)
- 80013 (91%)
- 80014 (89%)
- 80015 (70%)
- 80016 (99%)
- 80017
- 80018 (89%)
- 80019
- 80045
- 80102 (1%)
- 80110 (94%)
- 80111
- 80112 (88%)
- 80113
- 80120 (99%)
- 80121
- 80122
- 80123 (49%)
- 80127 (31%)
- 80128 (99%)
- 80137 (33%)
- 80138 (1%)
- 80220 (1%)
- 80224 (3%)
- 80230 (1%)
- 80231 (43%)
- 80236 (8%)
- 80239 (1%)
- 80247 (53%)
These are the Census Bureau's ZIP code areas, which match residential ZIP codes closely. ZIP codes used only for PO boxes or a single organization aren't included. How ZIP codes are matched
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
Jason Crow, 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.
Spot a problem with this district? Email us about CO-06.