80427 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About more than 99% of adults in 80427 typically vote, above the U.S. average of about 62%. Among adults in 80427, ~62% vote Democratic, ~51% Republican, and ~-13% don't vote. The map below shows estimated turnout by block group.
How 80427 compares
Among zip codes within 15 miles, 80427 leans more Democratic than 2 of 10 neighbors.
Politically, 80427 sits close to the rest of Colorado.
Why 80427 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 80427, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 44% of adults in 80427 have never been married, well above similar-sized zip codes (around 24%).
Adult tooth loss and voter turnout
Places with a low adult tooth-loss rate tend to turn out at a higher rate; 80427, CO sits in the bottom tenth nationally on this measure. Tooth loss does not drive turnout; it reflects age, income, and healthcare access.
Why turnout in 80427 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 80427 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.