Martins Additions is a Democratic stronghold. About 86% of voters here vote Democratic and 14% Republican.
About 92% of adults in Martins Additions typically vote, above the U.S. average of about 62%. Among adults in Martins Additions, ~79% vote Democratic, ~13% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Martins Additions compares
Among cities within 25 miles, Martins Additions leans more Democratic than 172 of 209 neighbors.
Martins Additions runs about 43 points more Democratic than Maryland as a whole.
Why Martins Additions 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 Martins Additions, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 95% of adults in Martins Additions hold a bachelor's degree, about 66 points above the U.S. average of 28%. Dense areas vote Democratic, and Martins Additions sits in the top fifth on density (about 97%, above 98% of cities).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Martins Additions, MD sits in the top tenth 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 Martins Additions looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Martins Additions 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 81%, about 21 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in Martins Additions own their home, about 19 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and more than 99% of adults in Martins Additions have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Chevy Chase Section Three, MD D+74
- Chevy Chase Section Five, MD D+72
- Chevy Chase, MD D+69
- Chevy Chase Village, MD D+69
- North Chevy Chase, MD D+74
- Somerset, MD D+66
- Bethesda, MD D+65
- Chevy Chase View, MD D+54
- South Kensington, MD D+63
- Takoma Park, MD D+77
Cities with Similar Populations
- Silverton, TX R+67
- McNeil, AR R+20
- Red Lick, TX R+64
- Thrall, WA R+37
- Midpines, CA D+7
- Bethelridge, KY R+75
- Ruston, WA D+44
- Shaw, OR R+34
- Stanwood, IA R+39
- New London, AL R+67
All Local Stats
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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.