81154 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 84% of adults in 81154 typically vote, above the U.S. average of about 62%. Among adults in 81154, ~35% vote Democratic, ~50% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 81154 compares
81154 runs about 29 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 81154 is one of the few Republican-leaning pockets.
Why 81154 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 81154, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in 81154 live in densely developed areas, about 33 points below the Colorado average of 35%. 81154 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 high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 81154, CO does.
Why turnout in 81154 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 81154 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 65%, about 5 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 81154 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.