81033 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 45% of adults in 81033 typically vote, below the U.S. average of about 62%. Among adults in 81033, ~11% vote Democratic, ~34% Republican, and ~55% don't vote. The map below shows estimated turnout by block group.
How 81033 compares
Among zip codes within 15 miles, 81033 leans more Republican than 6 of 7 neighbors.
81033 runs about 61 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while 81033 is one of the few Republican-leaning pockets.
Why 81033 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 81033, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 5% of adults in 81033 hold a bachelor's degree, about 33 points below the Colorado average of 39%. Rural areas vote Republican, and 81033 sits in the bottom quarter on density (about 5%, below 85% of zip codes). 81033 runs against the grain of Colorado, a Republican-leaning pocket in a Democratic-leaning state.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as 81033, CO does.
Why turnout in 81033 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 81033 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 50%, about 14 points below the Colorado average of 63%. Low high-school completion lines up with lower turnout, and about 81% of adults in 81033 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.