Cobb Island leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 74% of adults in Cobb Island typically vote, above the U.S. average of about 62%. Among adults in Cobb Island, ~26% vote Democratic, ~48% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Cobb Island compares
Among cities within 25 miles, Cobb Island leans more Republican than 94 of 115 neighbors.
Cobb Island runs about 59 points more Republican than Maryland as a whole. Maryland leans Democratic overall, while Cobb Island is one of the few Republican-leaning pockets.
Why Cobb Island 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 Cobb Island, not a ranked or complete list of what matters most.
Cobb Island votes Republican even though it is densely developed (about 23%, well below the Maryland average of 43%). Here a high share of family households outweighs the Democratic lean that density usually predicts. Low college attainment predicts Republican voting, and Cobb Island sits in the bottom quarter (about 3%, in the bottom fraction of cities). Cobb Island runs against the grain of Maryland, a Republican-leaning pocket in a Democratic-leaning state.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Cobb Island, MD sits in the bottom tenth nationally on this measure.
Why turnout in Cobb Island looks the way it does
Homeowners vote more often than renters. More than 99% of households in Cobb Island own their home, about 23 points above the Maryland average of 77%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Longview Beach, MD R+19
- Bushwood, MD R+27
- Issue, MD R+29
- Coltons Point, MD R+42
- Avenue, MD R+35
- Abell, MD R+42
- Mount Victoria, MD R+26
- Chaptico, MD R+41
- Colonial Beach, VA R+26
Cities with Similar Populations
- Wolfs Crossroads, PA R+48
- Brookston, MN R+2
- Windsor Mill, MD D+18
- College Hill, TX R+82
- Pawlet, VT R+16
- Cimarron, NM R+5
- Lawn, TX R+79
- Rusk, WI R+29
- Equality, IL R+64
- Oxford, AR R+70
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.