Sheridan leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 62% of adults in Sheridan typically vote, near the U.S. average of about 62%. Among adults in Sheridan, ~25% vote Democratic, ~37% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Sheridan compares
Among cities within 25 miles, Sheridan leans more Republican than 20 of 55 neighbors.
Sheridan runs about 34 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Sheridan is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Sheridan. The southwest side is the most Republican-leaning (R+30) and the east side is the least Republican-leaning (R+12), a spread of about 17 points.
Why Sheridan 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 Sheridan, not a ranked or complete list of what matters most.
Sheridan votes Republican even though it is densely developed (about 27%, about 9 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Sheridan runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Sheridan, OR sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Sheridan looks the way it does
Turnout in Sheridan 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
- Willamina, OR R+27
- Valley Junction, OR R+26
- Buell, OR R+26
- Perrydale, OR R+34
- Salt Creek, OR R+25
- Whiteson, OR R+32
- McCoy, OR R+34
- Amity, OR R+28
- Orchard View, OR R+17
Cities with Similar Populations
- Williston Park, NY R+14
- Edgewood, KY R+16
- Eagle, CO D+4
- Mount Orab, OH R+61
- Gilberts, IL Even
- Edwardsburg, MI R+32
- Clarence Center, NY R+14
- Lagrange, IN R+55
- Pittsburg, TX R+33
- Mosinee, WI R+27
All Local Stats
Home Services
Sources and methodology
Precinct-level voting records used to fit the model come from Oregon Secretary of State, Elections Division, 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.