Bristol, CO Political Map | Democrat & Republican Areas in Bristol

Bristol is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.

 
Bristol, CO block-group political-lean map
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About 52% of adults in Bristol typically vote, below the U.S. average of about 62%. Among adults in Bristol, ~11% vote Democratic, ~41% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.

Bristol, CO block-group voter-turnout map
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How Bristol compares

Among cities within 25 miles, Bristol leans more Republican than 3 of 12 neighbors.

Bristol runs about 68 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while Bristol is one of the few Republican-leaning pockets.

Why Bristol 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 Bristol, not a ranked or complete list of what matters most.

Rural areas vote Republican. About 2% of residents in Bristol live in densely developed areas, about 33 points below the Colorado average of 35%. A high family-household share predicts Republican voting, and about 80% of households in Bristol are family households, above 90% of cities. Bristol runs against the grain of Colorado, a Republican-leaning pocket in a Democratic-leaning state.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Bristol, CO sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Bristol looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Bristol is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 38% of households in Bristol rent, above 93% of cities. Low high-school completion lines up with lower turnout, and about 83% of adults in Bristol have completed high school, below 86% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities 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.