80101 is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 80% of adults in 80101 typically vote, above the U.S. average of about 62%. Among adults in 80101, ~17% vote Democratic, ~63% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 80101 compares
80101 runs about 68 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 80101 is one of the few Republican-leaning pockets.
Why 80101 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 80101, not a ranked or complete list of what matters most.
80101 votes against the grain of Colorado. Colorado leans Democratic overall, while 80101 runs about 68 points more Republican. Rural areas vote Republican, and 80101 sits in the bottom quarter on density (about 2%, below 97% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 80101, CO sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 80101 looks the way it does
Homeowners vote more often than renters. About 90% of households in 80101 own their home, about 15 points above the Colorado average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in 80101 have completed high school, above 83% 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.