80915 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 64% of adults in 80915 typically vote, near the U.S. average of about 62%. Among adults in 80915, ~29% vote Democratic, ~35% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 80915 compares
Among zip codes within 15 miles, 80915 leans more Republican than 14 of 33 neighbors.
80915 runs about 20 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 80915 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 80915. The northwest side is the most Republican-leaning (R+16) and the south side is the least Republican-leaning (R+4), a spread of about 12 points.
Why 80915 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 80915, not a ranked or complete list of what matters most.
80915 votes Republican even though it is densely developed (about 95%, far above the Colorado average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. 80915 runs against the grain of Colorado, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 80915, CO sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 80915 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 80915 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.