Kemp Mill leans heavily Democratic by roughly 50 points: about 75% of voters vote Democratic and 25% Republican.
About 82% of adults in Kemp Mill typically vote, above the U.S. average of about 62%. Among adults in Kemp Mill, ~62% vote Democratic, ~20% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Kemp Mill compares
Among cities within 25 miles, Kemp Mill leans more Democratic than 114 of 208 neighbors.
Kemp Mill runs about 21 points more Democratic than Maryland as a whole.
Politics vary noticeably by neighborhood within Kemp Mill. The southwest side is the most Democratic-leaning (D+70) and the north side is the least Democratic-leaning (D+30), a spread of about 40 points.
Why Kemp Mill 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 Kemp Mill, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 65% of adults in Kemp Mill hold a bachelor's degree, about 36 points above the U.S. average of 28%. Dense areas vote Democratic, and Kemp Mill sits in the top fifth on density (about 80%, above 94% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Kemp Mill, 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 Kemp Mill looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Kemp Mill 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Four Corners, MD D+63
- Silver Spring, MD D+66
- White Oak, MD D+63
- Wheaton, MD D+48
- Glenmont, MD D+51
- Colesville, MD D+55
- Kensington, MD D+63
- South Kensington, MD D+63
- Chevy Chase View, MD D+54
- North Chevy Chase, MD D+74
Cities with Similar Populations
- Lyndhurst, OH D+35
- Marina Del Rey, CA D+43
- Pembroke, NC R+11
- Rocky Point, NY R+24
- Eaton, OH R+50
- Pelham, NH R+5
- Brattleboro, VT D+40
- Whitmore Lake, MI R+4
- Palos Heights, IL R+8
- New Franklin, OH R+30
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.