80515 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 73% of adults in 80515 typically vote, above the U.S. average of about 62%. Among adults in 80515, ~30% vote Democratic, ~43% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 80515 compares
Among zip codes within 15 miles, 80515 is the most Republican-leaning.
80515 runs about 29 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 80515 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 80515. The northeast side is the most split-leaning (R+24) and the southwest side is the least split-leaning (R+3), a spread of about 21 points.
Why 80515 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 80515, not a ranked or complete list of what matters most.
80515 votes against the grain of Colorado. Colorado leans Democratic overall, while 80515 runs about 29 points more Republican. Rural areas with a high white share vote Republican. Non-Hispanic white share in 80515 is about 92%, about 20 points above the U.S. average of 72%. A high family-household share predicts Republican voting, and about 74% of households in 80515 are family households, above 78% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 80515, CO sits in the bottom quarter nationally on this measure.
Why turnout in 80515 looks the way it does
Homeowners vote more often than renters. About 92% of households in 80515 own their home, about 17 points above the Colorado average of 75%. High high-school completion lines up with higher turnout, and more than 99% of adults in 80515 have completed high school, in the top fraction of zip codes. 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.