Parkersburg is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 77% of adults in Parkersburg typically vote, above the U.S. average of about 62%. Among adults in Parkersburg, ~12% vote Democratic, ~64% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Parkersburg compares
Among cities within 25 miles, Parkersburg leans more Republican than 29 of 55 neighbors.
Parkersburg runs about 79 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Parkersburg is one of the few Republican-leaning pockets.
Why Parkersburg 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 Parkersburg, not a ranked or complete list of what matters most.
Parkersburg votes against the grain of Illinois. Illinois leans Democratic overall, while Parkersburg runs about 79 points more Republican. A high white share with below-average college attainment predicts Republican voting, and Parkersburg fits that profile on both counts.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Parkersburg, IL sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Parkersburg looks the way it does
Homeowners vote more often than renters. About 93% of households in Parkersburg own their home, about 13 points above the Illinois average of 80%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Calhoun, IL R+68
- Samsville, IL R+71
- West Salem, IL R+71
- Olney, IL R+43
- Black, IL R+72
- Helena, IL R+70
- Bone Gap, IL R+72
- Wynoose, IL R+70
- Gards Point, IL R+74
- Claremont, IL R+32
Cities with Similar Populations
- Monson, ME R+39
- Crescent, SC R+53
- West Delhi, NY R+12
- Horrell, PA R+51
- Hunters, WA R+53
- Pacama, NY D+25
- Oldwick, NJ R+4
- Bethany, MS R+54
- Panther Creek, NC R+37
- Union Furnace, OH R+57
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Illinois 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.