80620 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 59% of adults in 80620 typically vote, near the U.S. average of about 62%. Among adults in 80620, ~27% vote Democratic, ~32% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 80620 compares
Among zip codes within 15 miles, 80620 leans more Republican than 1 of 14 neighbors.
80620 runs about 22 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 80620 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 80620. The northeast side runs the most Democratic (D+6) and the southwest side runs the most Republican (R+19), a spread of about 25 points.
Why 80620 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 80620, not a ranked or complete list of what matters most.
80620 votes Republican even though it is densely developed (about 90%, far above the Colorado average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. 80620 runs against the grain of Colorado, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 80620, CO does.
Why turnout in 80620 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 80620 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 81% of adults in 80620 have completed high school, below 90% 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.