Cool Spring leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 93% of adults in Cool Spring typically vote, above the U.S. average of about 62%. Among adults in Cool Spring, ~42% vote Democratic, ~51% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Cool Spring compares
Among cities within 25 miles, Cool Spring leans more Republican than 17 of 68 neighbors.
Cool Spring runs about 24 points more Republican than Delaware as a whole. Delaware leans Democratic overall, while Cool Spring is one of the few Republican-leaning pockets.
Why Cool Spring 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 Cool Spring, not a ranked or complete list of what matters most.
Cool Spring votes Republican even though it is densely developed (about 22%, well below the Delaware average of 43%). Here an older population outweighs the Democratic lean that density usually predicts. Cool Spring runs against the grain of Delaware, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Cool Spring, DE sits above the national average 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 Cool Spring looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Cool Spring 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 66%, about 6 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Harbeson, DE R+11
- Lewes, DE D+7
- Milton, DE R+9
- North Shores, DE Even
- Riverdale, DE R+16
- Williamsville, DE R+36
- Rehoboth Beach, DE D+8
- Nassau, DE R+4
- Millsboro, DE R+12
- Long Neck, DE R+20
Cities with Similar Populations
- Fredonia, TX R+72
- Stoneboro, SC R+39
- Sandy Hill, TX R+66
- Lafourche, LA R+81
- Chalklevel, TN R+66
- Beech Grove, AR R+68
- Craycraft, KY R+76
- Neosho Falls, KS R+62
- Edgewater, WI R+26
- Karval, CO R+69
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Sources and methodology
Precinct-level voting records used to fit the model come from Delaware Department of 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.