80909 leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 66% of adults in 80909 typically vote, near the U.S. average of about 62%. Among adults in 80909, ~35% vote Democratic, ~31% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 80909 compares
Among zip codes within 15 miles, 80909 leans more Democratic than 25 of 34 neighbors.
80909 runs about 5 points more Republican than Colorado as a whole.
Politics vary noticeably by block within 80909. The west side runs the most Democratic (D+25) and the northeast side runs the most Republican (R+5), a spread of about 30 points.
Why 80909 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 80909, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 80909 live in densely developed areas, about 63 points above the U.S. average of 36%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 80909, CO sits in the top tenth nationally on this measure.
Why turnout in 80909 looks the way it does
Turnout in 80909 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.