Crater Lake leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 47% of adults in Crater Lake typically vote, below the U.S. average of about 62%. Among adults in Crater Lake, ~15% vote Democratic, ~32% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How Crater Lake compares
Among cities within 25 miles, Crater Lake leans more Republican than 2 of 5 neighbors.
Crater Lake runs about 53 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Crater Lake is one of the few Republican-leaning pockets.
Why Crater Lake 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 Crater Lake, not a ranked or complete list of what matters most.
Crater Lake votes against the grain of Oregon. Oregon leans Democratic overall, while Crater Lake runs about 53 points more Republican. Rural areas vote Republican, and Crater Lake sits in the bottom quarter on density (about 3%, below 91% of cities).
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Crater Lake, OR does.
Why turnout in Crater Lake looks the way it does
Turnout in Crater Lake sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Chemult, OR R+40
- Diamond Lake Junction, OR R+36
- Fort Klamath, OR R+39
- Prospect, OR R+41
- Kirk, OR R+35
- Rocky Point, OR R+47
- Pine Ridge, OR R+37
Cities with Similar Populations
- Winkumpaugh Corners, ME R+27
- Rumford, SD R+69
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.