Sinking Spring is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 72% of adults in Sinking Spring typically vote, above the U.S. average of about 62%. Among adults in Sinking Spring, ~35% vote Democratic, ~37% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Sinking Spring compares
Among cities within 25 miles, Sinking Spring sits roughly in the middle of the political spectrum, with 12 neighbors leaning further in the place's direction and 138 leaning the other way.
Politically, Sinking Spring sits close to the rest of Pennsylvania.
Why Sinking Spring leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Sinking Spring. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Sinking Spring, PA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Sinking Spring looks the way it does
Turnout in Sinking Spring 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
- West Wyomissing, PA Even
- Wyomissing, PA D+10
- Shillington, PA R+3
- Wernersville, PA R+19
- West Reading, PA D+21
- Kenhorst, PA R+3
- Reading, PA D+12
- Mohnton, PA R+28
- Reinholds, PA R+41
Cities with Similar Populations
- Yellville, AR R+57
- Clarkson, KY R+63
- Joppa, MD R+23
- Phoenix Lake, CA R+27
- Manhattan, MT R+36
- San Quentin, CA D+41
- Constantine, MI R+42
- Milan, IN R+61
- Whitehall, NY R+40
- Peralta, NM R+17
All Local Stats
Home Services
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.