Three Rocks leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 83% of adults in Three Rocks typically vote, above the U.S. average of about 62%. Among adults in Three Rocks, ~46% vote Democratic, ~37% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Three Rocks compares
Among cities within 25 miles, Three Rocks leans more Democratic than 23 of 29 neighbors.
Three Rocks runs about 5 points more Republican than Oregon as a whole.
Why Three Rocks 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 Three Rocks, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 34% of adults in Three Rocks hold a bachelor's degree, about 5 points above the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Three Rocks, OR sits in the top tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Three Rocks looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Three Rocks 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 66%, about 6 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Three Rocks have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Neotsu, OR D+29
- Otis, OR Even
- Neskowin, OR D+7
- Roads End, OR R+3
- Lincoln City, OR D+17
- DeLake, OR D+5
- Meda, OR Even
- Nelscott, OR Even
- Rose Lodge, OR R+8
- Pacific City, OR R+11
Cities with Similar Populations
- South Gorin, MO R+70
- Green, KY R+59
- Spring Mills, NY R+55
- Grafton, IN R+52
- Goodale, CO R+59
- Sharpe, KS R+67
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.