80220 is a Democratic stronghold. About 81% of voters here vote Democratic and 19% Republican.
About 79% of adults in 80220 typically vote, above the U.S. average of about 62%. Among adults in 80220, ~64% vote Democratic, ~15% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 80220 compares
Among zip codes within 15 miles, 80220 leans more Democratic than 71 of 77 neighbors.
80220 runs about 52 points more Democratic than Colorado as a whole.
Politics vary noticeably by block within 80220. The northwest side is the most Democratic-leaning (D+75) and the southeast side is the least Democratic-leaning (D+55), a spread of about 20 points.
Why 80220 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 80220, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 80220 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 80220 sits in the top quarter (about 66%, above 96% of zip codes). A high never-married share predicts Democratic voting, and about 40% of adults in 80220 have never been married, above 87% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 80220, CO sits in the top tenth nationally on this measure.
Why turnout in 80220 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 80220 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.