80118 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 82% of adults in 80118 typically vote, above the U.S. average of about 62%. Among adults in 80118, ~32% vote Democratic, ~50% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How 80118 compares
Among zip codes within 15 miles, 80118 leans more Republican than 3 of 7 neighbors.
80118 runs about 33 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 80118 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 80118. The southeast side is the most Republican-leaning (R+35) and the southwest side is the least Republican-leaning (R+9), a spread of about 25 points.
Why 80118 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 80118, not a ranked or complete list of what matters most.
80118 votes against the grain of Colorado. Colorado leans Democratic overall, while 80118 runs about 33 points more Republican. A high family-household share predicts Republican voting, and about 79% of households in 80118 are family households, above 91% of zip codes.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 80118, CO sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 80118 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 80118 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 78%, about 18 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in 80118 own their home, compared to around 77% in nearby zip codes. High high-school completion lines up with higher turnout, and more than 99% of adults in 80118 have completed high school, above 98% 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.