Grand Valley is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 69% of adults in Grand Valley typically vote, above the U.S. average of about 62%. Among adults in Grand Valley, ~15% vote Democratic, ~54% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Grand Valley compares
Among cities within 25 miles, Grand Valley leans more Republican than 59 of 82 neighbors.
Grand Valley runs about 54 points more Republican than Pennsylvania as a whole.
Why Grand Valley 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 Grand Valley, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Grand Valley, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 11% of adults hold a bachelor's degree, about 15 points below the Pennsylvania average of 26%. Rural areas vote Republican, and Grand Valley sits in the bottom quarter on density (about 4%, below 82% of cities).
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Grand Valley, PA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Grand Valley looks the way it does
Homeowners vote more often than renters. About 92% of households in Grand Valley own their home, about 13 points above the Pennsylvania average of 79%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Starr, PA R+50
- Sanford, PA R+56
- Pineville, PA R+54
- Torpedo, PA R+53
- East Titusville, PA R+57
- Tidioute, PA R+42
- Pleasantville, PA R+53
- Garland, PA R+55
- Five Corners, PA R+61
- Spartansburg, PA R+60
Cities with Similar Populations
- Copper Center, AK R+31
- Cooksville, WI Even
- Helena, KY R+61
- Slab City, WI R+50
- Note, GA R+17
- Cochiti Lake, NM D+38
- Samoa, CA D+34
- Kinkler, TX R+70
- Delta, MO R+74
- Newcomb, NY R+18
Sources and methodology
Precinct-level voting records used to fit the model come from Pennsylvania Department of State, Bureau 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.