81507 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About more than 99% of adults in 81507 typically vote, above the U.S. average of about 62%. Among adults in 81507, ~46% vote Democratic, ~56% Republican, and ~-2% don't vote. The map below shows estimated turnout by block group.
How 81507 compares
Among zip codes within 15 miles, 81507 leans more Republican than 1 of 11 neighbors.
81507 runs about 20 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 81507 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 81507. The west side runs the most Democratic (D+12) and the northwest side runs the most Republican (R+18), a spread of about 30 points.
Why 81507 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 81507, not a ranked or complete list of what matters most.
81507 votes against the grain of Colorado. Colorado leans Democratic overall, while 81507 runs about 20 points more Republican.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 81507, CO sits in the top tenth nationally on this measure.
Why turnout in 81507 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 81507 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 about 91% of households in 81507 own their home, compared to around 74% in nearby zip codes. High high-school completion lines up with higher turnout, and about 97% of adults in 81507 have completed high school, above 89% 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.