Sylvan Grove is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 55% of adults in Sylvan Grove typically vote, below the U.S. average of about 62%. Among adults in Sylvan Grove, ~10% vote Democratic, ~45% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How Sylvan Grove compares
Among cities within 25 miles, Sylvan Grove leans more Republican than 72 of 93 neighbors.
Sylvan Grove runs about 60 points more Republican than Pennsylvania as a whole.
Why Sylvan Grove 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 Sylvan Grove, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 79% of households in Sylvan Grove are family households, about 12 points above the U.S. average of 67%. Rural areas vote Republican, and Sylvan Grove sits in the bottom quarter on density (about 5%, below 79% of cities).
Population density and Republican lean
Places with low population density tend to lean Republican; Sylvan Grove, PA sits below the national average on this measure.
Why turnout in Sylvan Grove looks the way it does
Turnout in Sylvan Grove 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
- Drifting, PA R+60
- Keewaydin, PA R+63
- Palestine, PA R+62
- Grassflat, PA R+60
- Kylertown, PA R+60
- Karthaus, PA R+62
- Pleasant Hill, PA R+59
- Pine Glen, PA R+61
- Lanse, PA R+58
- Frenchville, PA R+63
Cities with Similar Populations
- Sunville, PA R+60
- Shin Pond, ME R+30
- Tererro, NM D+28
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.