Sheridan leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 54% of adults in Sheridan typically vote, below the U.S. average of about 62%. Among adults in Sheridan, ~31% vote Democratic, ~23% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How Sheridan compares
Among cities within 25 miles, Sheridan leans more Democratic than 39 of 67 neighbors.
Sheridan runs about 5 points more Democratic than Colorado as a whole.
Politics vary noticeably by neighborhood within Sheridan. The southeast side is the most Democratic-leaning (D+27) and the west side is the least Democratic-leaning (D+14), a spread of about 13 points.
Why Sheridan 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 Sheridan, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Sheridan live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 41% of adults in Sheridan have never been married, above 94% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Sheridan, CO sits in the top tenth nationally on this measure.
Why turnout in Sheridan looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Sheridan 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 43% of households in Sheridan rent, compared to around 26% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bow Mar, CO D+12
- Columbine Valley, CO R+5
- Littleton, CO D+17
- Cherry Hills Village, CO Even
- Columbine, CO D+3
- Lakewood, CO D+22
- Englewood, CO D+27
- Glendale, CO D+43
- Dakota Ridge, CO D+9
- Ken Caryl, CO D+7
Cities with Similar Populations
- Woodcliff Lake, NJ D+4
- Kountze, TX R+69
- Davidsonville, MD R+7
- Pinconning, MI R+41
- Villa Park, CA R+22
- Potomac Mills, VA D+22
- Albany, LA R+72
- Tarawa Terrace, NC R+21
- East Farmingdale, NY Even
- Waimea, HI D+24
All Local Stats
Home Services
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.