Monongalia County is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 60% of adults in Monongalia County typically vote, near the U.S. average of about 62%. Among adults in Monongalia County, ~31% vote Democratic, ~29% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Monongalia County compares
Among counties within 50 miles, Monongalia County is the most Democratic-leaning.
Monongalia County runs about 45 points more Democratic than West Virginia as a whole. West Virginia leans Republican overall, while Monongalia County is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Monongalia County. The north side runs the most Democratic (D+21) and the southwest side runs the most Republican (R+34), a spread of about 55 points.
Why Monongalia County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Monongalia County, not a ranked or complete list of what matters most.
Monongalia County votes against the grain of West Virginia. West Virginia leans Republican overall, while Monongalia County runs about 45 points more Democratic.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Monongalia County, WV sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Monongalia County looks the way it does
Renters vote less often than owners. About 42% of households in Monongalia County rent, about 17 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Marion County, WV R+37
- Preston County, WV R+58
- Greene County, PA R+43
- Taylor County, WV R+55
- Fayette County, PA R+36
- Harrison County, WV R+41
- Garrett County, MD R+50
- Barbour County, WV R+60
- Washington County, PA R+24
- Tucker County, WV R+50
Counties with Similar Populations
- Tompkins County, NY D+49
- Eau Claire County, WI D+10
- Woodbury County, IA R+9
- Sumter County, SC D+9
- Vigo County, IN R+12
- Walworth County, WI R+17
- Navajo County, AZ R+3
- Platte County, MO R+5
- Carver County, MN R+8
- Franklin County, MO R+48
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Sources and methodology
Precinct-level voting records used to fit the model come from West Virginia 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.