Washington Grove is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 62% of adults in Washington Grove typically vote, near the U.S. average of about 62%. Among adults in Washington Grove, ~48% vote Democratic, ~14% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Washington Grove compares
Among cities within 25 miles, Washington Grove leans more Democratic than 119 of 184 neighbors.
Washington Grove runs about 26 points more Democratic than Maryland as a whole.
Why Washington Grove 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 Washington Grove, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 80% of residents in Washington Grove live in densely developed areas, about 44 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Washington Grove sits in the top quarter (about 41%, above 88% of cities). A high never-married share predicts Democratic voting, and about 34% of adults in Washington Grove have never been married, above 86% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Washington Grove, MD sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Washington Grove looks the way it does
Renters vote less often than owners. About 33% of households in Washington Grove rent, about 8 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 78% of adults in Washington Grove have completed high school, below 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Redland, MD D+47
- Gaithersburg, MD D+43
- Derwood, MD D+38
- Montgomery Village, MD D+48
- Rockville, MD D+50
- North Potomac, MD D+46
- Germantown, MD D+48
- Laytonsville, MD D+16
- Olney, MD D+40
- Aspen Hill, MD D+48
Cities with Similar Populations
- Goodman, MO R+67
- York, AL D+64
- Sistersville, WV R+56
- Inez, TX R+67
- Hamersville, OH R+65
- Stanfield, OR R+53
- Myrtle Grove, GA R+44
- Davenport, WA R+45
- Campton, NH D+12
- Volcano, HI D+31
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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.