Chevy Chase Section Three is a Democratic stronghold. About 87% of voters here vote Democratic and 13% Republican.
About more than 99% of adults in Chevy Chase Section Three typically vote, above the U.S. average of about 62%. Among adults in Chevy Chase Section Three, ~90% vote Democratic, ~13% Republican, and ~-3% don't vote. The map below shows estimated turnout by block group.
How Chevy Chase Section Three compares
Among cities within 25 miles, Chevy Chase Section Three leans more Democratic than 175 of 208 neighbors.
Chevy Chase Section Three runs about 45 points more Democratic than Maryland as a whole.
Why Chevy Chase Section Three 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 Chevy Chase Section Three, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 95% of adults in Chevy Chase Section Three hold a bachelor's degree, about 67 points above the U.S. average of 28%. Dense areas vote Democratic, and Chevy Chase Section Three sits in the top fifth on density (more than 99%, in the top fraction of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Chevy Chase Section Three, MD 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 Chevy Chase Section Three looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Chevy Chase Section Three 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 79%, about 19 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Chevy Chase Section Three own their home, about 20 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 99% of adults in Chevy Chase Section Three have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Martins Additions, MD D+72
- Chevy Chase Section Five, MD D+72
- Chevy Chase, MD D+69
- Chevy Chase Village, MD D+69
- Somerset, MD D+66
- North Chevy Chase, MD D+74
- Bethesda, MD D+65
- Chevy Chase View, MD D+54
- South Kensington, MD D+63
- Glen Echo, MD D+63
Cities with Similar Populations
- Hatley, MS R+80
- Buie, NC R+34
- Valley Spring, TX R+72
- Zearing, IA R+35
- Harmony, ME R+33
- Salyer, CA R+9
- Rockbridge Baths, VA R+45
- Mount Holly, VA R+6
- Busick, NC R+47
- Peytona, WV R+67
All Local Stats
Home Services
Sources and methodology
Precinct-level voting records used to fit the model come from Maryland State Board 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.