80108 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 93% of adults in 80108 typically vote, above the U.S. average of about 62%. Among adults in 80108, ~40% vote Democratic, ~53% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How 80108 compares
Among zip codes within 15 miles, 80108 leans more Republican than 16 of 21 neighbors.
80108 runs about 25 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 80108 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 80108. The northeast side is the most split-leaning (R+30) and the north side is the least split-leaning (R+3), a spread of about 28 points.
Why 80108 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 80108, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 84% of households in 80108 are family households, about 18 points above the U.S. average of 67%. Dense places usually vote Democratic, but 80108 runs against that pattern. 80108 runs against the grain of Colorado, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 80108, CO sits in the top tenth nationally on this measure.
Why turnout in 80108 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 80108 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 76%, about 16 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 80108 have completed high school, above 94% 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.