Grand Ronde leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 62% of adults in Grand Ronde typically vote, near the U.S. average of about 62%. Among adults in Grand Ronde, ~24% vote Democratic, ~38% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Grand Ronde compares
Among cities within 25 miles, Grand Ronde leans more Republican than 28 of 47 neighbors.
Grand Ronde runs about 39 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Grand Ronde is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Grand Ronde. The west side runs the most Democratic (D+7) and the north side runs the most Republican (R+26), a spread of about 33 points.
Why Grand Ronde 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 Grand Ronde, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in Grand Ronde hold a bachelor's degree, about 16 points below the Oregon average of 29%. Rural areas vote Republican, and Grand Ronde sits in the bottom quarter on density (about 4%, below 88% of cities). Grand Ronde runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Republican lean
Places with low population density tend to lean Republican; Grand Ronde, OR sits below the national average on this measure.
Why turnout in Grand Ronde looks the way it does
Turnout in Grand Ronde 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
- Grand Ronde Agency, OR R+26
- Valley Junction, OR R+26
- Willamina, OR R+27
- Buell, OR R+26
- Sheridan, OR R+20
- Roads End, OR R+3
- Salt Creek, OR R+25
- Hebo, OR R+14
- Otis, OR Even
Cities with Similar Populations
- Ridgedale, MO R+56
- South Hero, VT D+22
- Harmony, MN R+31
- Niland, CA R+11
- Ballentine, SC R+25
- Saxapahaw, NC R+32
- Summerville, PA R+67
- Howards Mill, KY R+51
- Bradner, OH R+39
- Barton, VT R+20
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.