80545 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 83% of adults in 80545 typically vote, above the U.S. average of about 62%. Among adults in 80545, ~36% vote Democratic, ~47% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 80545 compares
80545 runs about 25 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 80545 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 80545. The east side is the most Republican-leaning (R+16) and the northwest side is the least Republican-leaning (R+5), a spread of about 10 points.
Why 80545 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 80545, not a ranked or complete list of what matters most.
80545 votes against the grain of Colorado. Colorado leans Democratic overall, while 80545 runs about 25 points more Republican.
Population density and Republican lean
Places with low population density tend to lean Republican; 80545, CO sits in the bottom quarter nationally on this measure.
Why turnout in 80545 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 80545 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 73%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and more than 99% of households in 80545 own their home, about 24 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 99% of adults in 80545 have completed high school, above 97% 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.