Spencerville leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 92% of adults in Spencerville typically vote, above the U.S. average of about 62%. Among adults in Spencerville, ~58% vote Democratic, ~34% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Spencerville compares
Among cities within 25 miles, Spencerville leans more Democratic than 46 of 203 neighbors.
Politically, Spencerville sits close to the rest of Maryland.
Why Spencerville 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 Spencerville, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 65% of adults in Spencerville hold a bachelor's degree, about 37 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in Spencerville is about 77%, compared to around 42% in nearby cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Spencerville, MD sits in the top quarter 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 Spencerville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Spencerville 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%. Homeowners vote more often than renters, and about 96% of households in Spencerville own their home, about 21 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cloverly, MD D+48
- Ashton, MD D+38
- Sandy Spring, MD D+43
- Burtonsville, MD D+56
- Fairland, MD D+66
- Colesville, MD D+55
- Highland, MD D+21
- Fulton, MD D+45
- Brinklow, MD D+17
- Calverton, MD D+62
Cities with Similar Populations
- Karlus, KY R+69
- Mincy, MO R+68
- Nashoba, OK R+74
- Crystal Springs, WV R+51
- Bug, KY R+70
- Linden, MO R+65
- Rogersville, PA R+60
- Big Rock, OH R+62
- Vignes, WI R+22
- Strinestown, PA R+31
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.