O'neil leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 59% of adults in O'neil typically vote, near the U.S. average of about 62%. Among adults in O'neil, ~17% vote Democratic, ~42% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How O'neil compares
Among cities within 25 miles, O'neil leans more Republican than 12 of 172 neighbors.
Politically, O'neil sits close to the rest of West Virginia.
Politics vary noticeably by neighborhood within O'neil. The west side is the most Republican-leaning (R+57) and the south side is the least Republican-leaning (R+34), a spread of about 23 points.
Why O'neil leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in O'neil. The lean here lands roughly where demographic data alone would predict.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as O'neil, WV does.
Why turnout in O'neil looks the way it does
Renters vote less often than owners. About 28% of households in O'neil rent, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Chiefton, WV R+57
- Sun Valley, WV R+54
- Reynoldsville, WV R+62
- Katy Lick, WV R+59
- Clarksburg, WV R+29
- Custer Addition, WV R+46
- Gore, WV R+57
- Wolf Summit, WV R+63
- Sardis, WV R+61
- Marshville, WV R+60
Cities with Similar Populations
- Burns, NY R+55
- Rover, MO R+74
- Langford, SD R+31
- Windy City, TN R+46
- Gilmore, AL R+65
- Horseshoe Beach, FL R+75
- Vernon Springs, IA R+43
- Smithtown, NC R+64
- Fairlee, MD R+5
- Pruett, TX R+61
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.