Gunbarrel is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 86% of adults in Gunbarrel typically vote, above the U.S. average of about 62%. Among adults in Gunbarrel, ~67% vote Democratic, ~19% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How Gunbarrel compares
Among cities within 25 miles, Gunbarrel leans more Democratic than 58 of 64 neighbors.
Gunbarrel runs about 44 points more Democratic than Colorado as a whole.
Politics vary noticeably by neighborhood within Gunbarrel. The west side is the most Democratic-leaning (D+62) and the north side is the least Democratic-leaning (D+50), a spread of about 12 points.
Why Gunbarrel leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Gunbarrel, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 73% of adults in Gunbarrel hold a bachelor's degree, about 45 points above the U.S. average of 28%. Dense areas vote Democratic, and Gunbarrel sits in the top fifth on density (about 71%, above 92% of cities). A high never-married share predicts Democratic voting, and about 36% of adults in Gunbarrel have never been married, above 89% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Gunbarrel, CO sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Gunbarrel looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Gunbarrel 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Gunbarrel have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Niwot, CO D+47
- Boulder, CO D+69
- Louisville, CO D+59
- Lafayette, CO D+49
- Erie, CO D+21
- Longmont, CO D+32
- Superior, CO D+51
- Rinn, CO D+7
- Jamestown, CO D+61
Cities with Similar Populations
- Lakeland South, WA D+8
- St. Marys, OH R+54
- Greentree, NJ D+32
- Long Valley, NJ R+15
- Laurel, MT R+42
- Middlebury, IN R+56
- Westwood, MI D+36
- North Lindenhurst, NY R+20
- Huntertown, IN R+36
- Charlton, MA R+14
All Local Stats
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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.