Clear Creek County leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 91% of adults in Clear Creek County typically vote, above the U.S. average of about 62%. Among adults in Clear Creek County, ~55% vote Democratic, ~36% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How Clear Creek County compares
Among counties within 50 miles, Clear Creek County leans more Democratic than 6 of 11 neighbors.
Clear Creek County runs about 10 points more Democratic than Colorado as a whole.
Politics vary noticeably by city within Clear Creek County. The southeast side is the most Democratic-leaning (D+27) and the northwest side is the least Democratic-leaning (D+8), a spread of about 19 points.
Why Clear Creek County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Clear Creek County, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 57% of adults in Clear Creek County hold a bachelor's degree, about 28 points above the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Clear Creek County, CO sits in the top tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Clear Creek County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Clear Creek County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 82% of households in Clear Creek County own their home, above 88% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Gilpin County, CO D+16
- Jefferson County, CO D+18
- Park County, CO R+9
- Summit County, CO D+23
- Broomfield County, CO D+25
- Boulder County, CO D+52
- Denver County, CO D+53
- Grand County, CO R+6
- Adams County, CO D+11
- Arapahoe County, CO D+22
Counties with Similar Populations
- Emmet County, IA R+37
- Charles Mix County, SD R+39
- Deer Lodge County, MT R+18
- Beaverhead County, MT R+42
- Pipestone County, MN R+48
- Rice County, KS R+54
- Hamilton County, NE R+61
- Latimer County, OK R+66
- Cheyenne County, NE R+58
- Howard County, IA R+35
Sources and methodology
Precinct-level voting records used to fit the model come from Colorado Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.