Marshall County is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 65% of adults in Marshall County typically vote, near the U.S. average of about 62%. Among adults in Marshall County, ~14% vote Democratic, ~51% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Marshall County compares
Among counties within 50 miles, Marshall County leans more Republican than 3 of 10 neighbors.
Marshall County runs about 8 points more Republican than Oklahoma as a whole.
Politics vary noticeably by city within Marshall County. The southwest side is the most Republican-leaning (R+68) and the north side is the least Republican-leaning (R+35), a spread of about 33 points.
Why Marshall County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Marshall County. The lean here lands roughly where demographic data alone would predict.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as Marshall County, OK does.
Why turnout in Marshall County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Marshall County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Johnston County, OK R+65
- Bryan County, OK R+54
- Love County, OK R+64
- Grayson County, TX R+43
- Carter County, OK R+46
- Cooke County, TX R+57
- Murray County, OK R+59
- Atoka County, OK R+69
- Coal County, OK R+68
- Fannin County, TX R+58
Counties with Similar Populations
- West Feliciana Parish, LA R+48
- Roseau County, MN R+45
- Grayson County, VA R+59
- Lawrence County, IL R+47
- Tipton County, IN R+52
- Washington County, AL R+46
- Alleghany County, VA R+51
- Page County, IA R+39
- Macon County, MO R+57
- Williamsburg City, VA D+43
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Sources and methodology
Precinct-level voting records used to fit the model come from Oklahoma State Election Board, 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.