Edwardsville is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 59% of adults in Edwardsville typically vote, near the U.S. average of about 62%. Among adults in Edwardsville, ~30% vote Democratic, ~29% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How Edwardsville compares
Among cities within 25 miles, Edwardsville sits roughly in the middle of the political spectrum, with 150 neighbors leaning further in the place's direction and 7 leaning the other way.
Politically, Edwardsville sits close to the rest of Pennsylvania.
Politics vary noticeably by neighborhood within Edwardsville. The north side runs the most Democratic (D+7) and the southeast side runs the most Republican (R+5), a spread of about 11 points.
Why Edwardsville leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Edwardsville. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Edwardsville, PA sits in the top tenth nationally on this measure.
Why turnout in Edwardsville looks the way it does
Renters vote less often than owners. About 54% of households in Edwardsville rent, about 29 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and Edwardsville sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pringle, PA R+3
- Kingston, PA D+3
- Courtdale, PA R+19
- Larksville, PA R+19
- Luzerne, PA R+12
- Forty Fort, PA R+5
- Wilkes-Barre, PA D+4
- Swoyersville, PA R+18
- Plymouth, PA R+14
- Plains, PA R+9
Cities with Similar Populations
- Norway, ME R+19
- Corunna, MI R+27
- Mount Sterling, OH R+55
- Nowthen, MN R+40
- Baxter Springs, KS R+52
- Camden, NY R+38
- San Carlos, AZ D+39
- Bosque Farms, NM R+12
- Tunica, MS D+23
- Hurstbourne, KY R+3
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.