Ellicott City leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 83% of adults in Ellicott City typically vote, above the U.S. average of about 62%. Among adults in Ellicott City, ~56% vote Democratic, ~27% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Ellicott City compares
Among cities within 25 miles, Ellicott City leans more Democratic than 71 of 170 neighbors.
Ellicott City runs about 5 points more Democratic than Maryland as a whole.
Politics vary noticeably by neighborhood within Ellicott City. The south side is the most Democratic-leaning (D+44) and the north side is the least Democratic-leaning (D+30), a spread of about 15 points.
Why Ellicott City 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 Ellicott City, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 69% of adults in Ellicott City hold a bachelor's degree, about 40 points above the U.S. average of 28%. Dense areas vote Democratic, and Ellicott City sits in the top fifth on density (about 72%, above 93% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Ellicott City, 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 Ellicott City looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Ellicott City 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Ellicott City have completed high school, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Woodstock, MD D+40
- Windsor Mill, MD D+18
- Columbia, MD D+55
- Ilchester, MD D+35
- Woodlawn, MD D+63
- Catonsville, MD D+34
- Milford Mill, MD D+81
- West Friendship, MD D+18
- Marriottsville, MD D+5
- Elkridge, MD D+45
Cities with Similar Populations
- Watsonville, CA D+36
- Lynnwood, WA D+21
- Middletown, OH R+23
- Easton, PA D+13
- Hagerstown, MD R+6
- Alameda, CA D+60
- Fort Mill, SC R+16
- Schaumburg, IL D+13
- Brighton, CO R+5
- Mansfield, TX R+5
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.