Original Thornton leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 56% of adults in Original Thornton typically vote, below the U.S. average of about 62%. Among adults in Original Thornton, ~33% vote Democratic, ~23% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Original Thornton compares
Among neighborhoods within 5 miles, Original Thornton is the least Democratic-leaning.
Original Thornton runs about 6 points more Democratic than Colorado as a whole.
Why Original Thornton leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Original Thornton. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Original Thornton, Thornton, CO sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Original Thornton looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Original Thornton is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 21%, about 10 points above the Colorado average of 11%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Village at North Hills, Northglenn, CO D+18
- Twin Lakes, Denver, CO D+27
- South Central Westminster, Westminster, CO D+19
- East Central Westminster, Westminster, CO D+18
- South Westminster, Westminster, CO D+20
- North Central Westminster, Westminster, CO D+22
- North Westminster, Westminster, CO D+13
- Elyria Swansea, Denver, CO D+40
- Brandywine, Broomfield, CO D+24
- Chaffee Park, Denver, CO D+50
Neighborhoods 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.