Summerside leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 78% of adults in Summerside typically vote, above the U.S. average of about 62%. Among adults in Summerside, ~26% vote Democratic, ~52% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Summerside compares
Summerside runs about 20 points more Republican than Ohio as a whole.
Politics vary noticeably by block within Summerside. The north side is the most Republican-leaning (R+44) and the southwest side is the least Republican-leaning (R+24), a spread of about 20 points.
Why Summerside leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Summerside. The lean here lands roughly where demographic data alone would predict.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Summerside, Cincinnati, OH sits below the national average on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Summerside looks the way it does
Turnout in Summerside sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Cherry Grove, Cincinnati, OH R+4
- Mount Washington, Cincinnati, OH D+13
- Madisonville, Cincinnati, OH D+46
- Mount Lookout, Cincinnati, OH D+33
- Kenwood, Cincinnati, OH D+12
- Oakley, Cincinnati, OH D+44
- Kennedy Heights, Cincinnati, OH D+70
- Hyde Park, Cincinnati, OH D+38
- Pleasant Ridge, Cincinnati, OH D+55
- Evanston, Cincinnati, OH D+63
Neighborhoods with Similar Populations
- Loma Park, San Antonio, TX D+27
- Reservoir, Providence, RI D+22
- Central West Denver, Denver, CO D+51
- College Park, Wilmington, NC D+32
- Cobb Park Area, Abilene, TX R+12
- Newland, Huntington Beach, CA R+3
- Schenk-Atwood-Starkweather-Yahar, Madison, WI D+85
- Arlington Heights, Riverside, CA R+8
- Carriage Square, Oxnard, CA D+35
- South Marketview Heights, Rochester, NY D+70
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.