80401 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 78% of adults in 80401 typically vote, above the U.S. average of about 62%. Among adults in 80401, ~50% vote Democratic, ~28% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 80401 compares
Among zip codes within 15 miles, 80401 leans more Democratic than 26 of 51 neighbors.
80401 runs about 18 points more Democratic than Colorado as a whole.
Politics vary noticeably by block within 80401. The northwest side is the most Democratic-leaning (D+51) and the south side is the least Democratic-leaning (D+17), a spread of about 34 points.
Why 80401 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 80401, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 59% of adults in 80401 hold a bachelor's degree, about 30 points above the U.S. average of 28%. Dense areas vote Democratic, and 80401 sits in the top fifth on density (about 75%, above 81% of zip codes). A high never-married share predicts Democratic voting, and about 37% of adults in 80401 have never been married, above 83% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 80401, CO sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 80401 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 80401 have completed high school, about 7 points above the U.S. average of 90%. 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.