Marston leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 65% of adults in Marston typically vote, near the U.S. average of about 62%. Among adults in Marston, ~20% vote Democratic, ~45% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Marston compares
Among cities within 25 miles, Marston leans more Republican than 10 of 60 neighbors.
Marston runs about 21 points more Republican than Missouri as a whole.
Politics vary noticeably by neighborhood within Marston. The northwest side is the most Republican-leaning (R+65) and the northeast side is the least Republican-leaning (R+33), a spread of about 32 points.
Why Marston 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 Marston, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 4% of adults in Marston hold a bachelor's degree, about 18 points below the Missouri average of 22%. Car-dependent areas vote Republican, and about 88% of residents in Marston drive to work alone, above 90% of cities.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Marston, MO sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Marston looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Marston is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 50%, about 8 points below the Missouri average of 57%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Howardville, MO R+27
- Lilbourn, MO R+26
- Jaywye, MO R+61
- North Lilbourn, MO R+17
- Point Pleasant, MO R+64
- New Madrid, MO R+32
- Portageville, MO R+43
- Hayward, MO R+70
- Catron, MO R+61
- Kewanee, MO R+68
Cities with Similar Populations
- Bowdens, NC D+4
- Cardiff, NY R+11
- Washingtonville, PA R+51
- Weber, GA R+81
- West Elizabeth, PA R+25
- Hitterdal, MN R+35
- Old Salem, TX R+63
- New Fane, WI R+50
- Richfield Center, OH R+33
- Marlboro, VT D+38
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Sources and methodology
Precinct-level voting records used to fit the model come from Missouri Secretary of State, 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.