West Portsmouth is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 69% of adults in West Portsmouth typically vote, above the U.S. average of about 62%. Among adults in West Portsmouth, ~16% vote Democratic, ~53% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How West Portsmouth compares
Among cities within 25 miles, West Portsmouth leans more Republican than 9 of 80 neighbors.
West Portsmouth runs about 43 points more Republican than Ohio as a whole.
Why West Portsmouth 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 West Portsmouth, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 89% of residents in West Portsmouth drive to work alone, about 15 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and West Portsmouth sits in the bottom quarter (about 13%, below 85% of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; West Portsmouth, OH sits in the top quarter nationally on this measure.
Why turnout in West Portsmouth looks the way it does
Turnout in West Portsmouth sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- South Portsmouth, KY R+62
- Friendship, OH R+59
- Rushtown, OH R+54
- Rosemount, OH R+41
- Portsmouth, OH R+30
- Lombardsville, OH R+56
- New Boston, OH R+36
- McDermott, OH R+56
- South Shore, KY R+61
- Maloneton, KY R+65
Cities with Similar Populations
- Hewitt, NJ R+22
- North Beach, MD R+4
- Aromas, CA D+12
- Mather, CA Even
- Taft, TX R+13
- St. James, MN R+24
- Mondovi, WI R+32
- North Sea, NY D+7
- Nebo, GA R+29
- Linden, VA R+33
Sources and methodology
Precinct-level voting records used to fit the model come from Ohio 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.