Portland is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 74% of adults in Portland typically vote, above the U.S. average of about 62%. Among adults in Portland, ~12% vote Democratic, ~62% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Portland compares
Among cities within 25 miles, Portland leans more Republican than 93 of 105 neighbors.
Portland runs about 57 points more Republican than Ohio as a whole.
Why Portland 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 Portland, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. More than 99% of residents in Portland drive to work alone, about 26 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and Portland fits that profile on both counts.
Population density and Republican lean
Places with low population density tend to lean Republican; Portland, OH sits below the national average on this measure.
Why turnout in Portland looks the way it does
Turnout in Portland sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ravenswood, WV R+48
- Sherman, WV R+48
- Racine, OH R+64
- Neptune, WV R+66
- Millwood, WV R+58
- Silverton, WV R+56
- Long Bottom, OH R+61
- Evergreen Hills, WV R+58
- Pond Creek, WV R+62
Cities with Similar Populations
- Ewell, TX R+69
- Williston, MD R+42
- Monmouth, IA R+43
- Browntown, VA R+37
- Northup, OH R+62
- Lagrange, ME R+41
- Camp Dennison, OH D+4
- Cleversburg, PA R+55
- Spring Valley, AZ R+40
- Stiles, WI R+44
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.