Summerfield is a Democratic stronghold. About 93% of voters here vote Democratic and 7% Republican.
About 60% of adults in Summerfield typically vote, near the U.S. average of about 62%. Among adults in Summerfield, ~56% vote Democratic, ~4% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Summerfield compares
Among cities within 25 miles, Summerfield leans more Democratic than 197 of 204 neighbors.
Summerfield runs about 56 points more Democratic than Maryland as a whole.
Why Summerfield 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 Summerfield, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 91% of residents in Summerfield live in densely developed areas, about 54 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Summerfield sits in the top quarter (about 31%, above 76% of cities). A high never-married share predicts Democratic voting, and about 47% of adults in Summerfield have never been married, above 97% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Summerfield, MD sits in the top tenth nationally on this measure.
Why turnout in Summerfield looks the way it does
Renters vote less often than owners. About 53% of households in Summerfield rent, about 28 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 24% of adults in Summerfield report food insecurity, above 90% of cities. High-crime urban areas turn out at lower rates, and Summerfield sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Seat Pleasant, MD D+84
- Capitol Heights, MD D+85
- Landover, MD D+78
- Glenarden, MD D+81
- Lake Arbor, MD D+87
- Fairmount Heights, MD D+81
- Largo, MD D+86
- Cheverly, MD D+72
- Landover Hills, MD D+60
- Forestville, MD D+82
Cities with Similar Populations
- Woodward, OK R+58
- Boonton, NJ R+4
- Wilbraham, MA Even
- Princeton Meadows, NJ D+37
- McPherson, KS R+36
- Glenshaw, PA Even
- Worthington, MN R+13
- Heath, OH R+40
- Winnemucca, NV R+54
- Los Osos, CA D+21
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.