Ilchester leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 76% of adults in Ilchester typically vote, above the U.S. average of about 62%. Among adults in Ilchester, ~52% vote Democratic, ~24% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Ilchester compares
Among cities within 25 miles, Ilchester leans more Democratic than 78 of 182 neighbors.
Ilchester runs about 7 points more Democratic than Maryland as a whole.
Politics vary noticeably by neighborhood within Ilchester. The west side is the most Democratic-leaning (D+46) and the north side is the least Democratic-leaning (D+20), a spread of about 26 points.
Why Ilchester 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 Ilchester, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 63% of adults in Ilchester hold a bachelor's degree, about 35 points above the U.S. average of 28%. Dense areas vote Democratic, and Ilchester sits in the top fifth on density (about 81%, above 94% of cities). A high never-married share predicts Democratic voting, and about 32% of adults in Ilchester have never been married, above 80% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Ilchester, 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 Ilchester looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Ilchester 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
- Elkridge, MD D+45
- Columbia, MD D+55
- Jessup, MD D+48
- Hanover, MD D+38
- Catonsville, MD D+34
- Linthicum Heights, MD D+17
- Arbutus, MD D+11
- Ellicott City, MD D+33
- Savage, MD D+56
- Harmans, MD D+40
Cities with Similar Populations
- Royersford, PA D+5
- Columbus, NE R+42
- Temescal Valley, CA R+12
- Hudson, WI R+8
- Middletown, NJ R+20
- Central Point, OR R+21
- King of Prussia, PA D+25
- Patterson, CA D+3
- Garden City, MI R+9
- Balch Springs, TX D+26
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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.