Mardela Springs leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 74% of adults in Mardela Springs typically vote, above the U.S. average of about 62%. Among adults in Mardela Springs, ~25% vote Democratic, ~49% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Mardela Springs compares
Among cities within 25 miles, Mardela Springs leans more Republican than 40 of 91 neighbors.
Mardela Springs runs about 61 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Mardela Springs is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Mardela Springs. The southwest side is the most Republican-leaning (R+37) and the east side is the least Republican-leaning (R+26), a spread of about 12 points.
Why Mardela Springs 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 Mardela Springs, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 86% of residents in Mardela Springs drive to work alone, about 12 points above the U.S. average of 74%. Mardela Springs runs against the grain of Maryland, a Republican-leaning pocket in a Democratic-leaning state.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Mardela Springs, MD sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Mardela Springs looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mardela Springs 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 61%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Spring Grove, MD R+26
- Hebron, MD R+23
- Rabbit Town, MD R+30
- Sharptown, MD R+37
- Vienna, MD R+36
- Galestown, MD R+50
- Reids Grove, MD R+31
- Portsville, DE R+52
- Quantico, MD R+21
- Salem, MD R+43
Cities with Similar Populations
- Eatonville, FL D+51
- Lake Park, MN R+35
- Luckey, OH R+35
- Valley Head, AL R+73
- Edinburg, PA R+45
- Osyka, MS R+36
- Norfolk, NY R+29
- Hagerman, ID R+63
- Fredonia, PA R+54
- Hambden, OH R+43
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.