Syner leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 84% of adults in Syner typically vote, above the U.S. average of about 62%. Among adults in Syner, ~24% vote Democratic, ~60% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Syner compares
Among cities within 25 miles, Syner leans more Republican than 67 of 143 neighbors.
Syner runs about 40 points more Republican than Pennsylvania as a whole.
Why Syner 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 Syner, not a ranked or complete list of what matters most.
Syner votes Republican even though it is densely developed (about 24%, modestly below the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Syner, PA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Syner looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Syner is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 68%, about 8 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Syner own their home, compared to around 72% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Palmyra, PA R+20
- Fort Indiantown Gap, PA R+57
- Grantville, PA R+38
- Annville, PA R+31
- East Hanover, PA R+54
- Harper Tavern, PA R+55
- Union Water Works, PA R+58
- Campbelltown, PA R+18
- Ono, PA R+54
- Hershey, PA D+6
Cities with Similar Populations
- Pine Tree Corners, DE R+11
- Marshville, ME R+36
- Turkey Hill Shores, MA Even
- Erastus, NC R+29
- Ono, KY R+67
- Lone Oak, TN R+71
- Morris, WV R+59
- Amoret, MO R+66
- Coakley, KY R+72
- Gringo, PA R+33
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.