Madison leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 74% of adults in Madison typically vote, above the U.S. average of about 62%. Among adults in Madison, ~18% vote Democratic, ~55% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Madison compares
Among cities within 25 miles, Madison leans more Republican than 71 of 84 neighbors.
Madison runs about 79 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Madison is one of the few Republican-leaning pockets.
Why Madison 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 Madison, not a ranked or complete list of what matters most.
Madison votes against the grain of Maryland. Maryland leans Democratic overall, while Madison runs about 79 points more Republican. Rural areas vote Republican, and Madison sits in the bottom quarter on density (about 3%, below 90% of cities). A high family-household share predicts Republican voting, and about 77% of households in Madison are family households, above 83% of cities.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Madison, MD sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Madison looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Madison 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 64%, above 64% of cities. Homeowners vote more often than renters, and about 94% of households in Madison own their home, compared to around 78% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Woolford, MD R+51
- Dailsville, MD R+35
- Church Creek, MD R+53
- Taylors Island, MD R+49
- Cornersville, MD R+36
- Lloyds, MD R+30
- Christs Rock, MD D+33
- Cambridge, MD D+18
- Golden Hill, MD R+55
Cities with Similar Populations
- Ah Gwah Ching, MN R+41
- Railroad, PA R+26
- Alcoa Center, PA R+44
- Dresserville, NY R+42
- Swastika, NY R+22
- Chillicothe, IA R+54
- Masters, MO R+66
- Caney Branch, TN R+73
- Rutledge, PA D+15
- Labascus, KY R+75
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.