Diamond Lake Junction leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 67% of adults in Diamond Lake Junction typically vote, near the U.S. average of about 62%. Among adults in Diamond Lake Junction, ~21% vote Democratic, ~46% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Diamond Lake Junction compares
Among cities within 25 miles, Diamond Lake Junction leans more Republican than 1 of 5 neighbors.
Diamond Lake Junction runs about 51 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Diamond Lake Junction is one of the few Republican-leaning pockets.
Why Diamond Lake Junction 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 Diamond Lake Junction, not a ranked or complete list of what matters most.
Diamond Lake Junction votes against the grain of Oregon. Oregon leans Democratic overall, while Diamond Lake Junction runs about 51 points more Republican. Rural areas vote Republican, and Diamond Lake Junction sits in the bottom quarter on density (about 4%, below 85% of cities).
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Diamond Lake Junction, OR sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Diamond Lake Junction looks the way it does
Turnout in Diamond Lake Junction sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Chemult, OR R+40
- Crater Lake, OR R+39
- Kirk, OR R+35
- Fort Klamath, OR R+39
- Pine Ridge, OR R+37
- Chiloquin, OR R+45
- Crescent, OR R+41
- Rocky Point, OR R+47
Cities with Similar Populations
- Salt Creek, CO R+8
- Glenrio, TX R+73
- Bear Dance, MT R+16
- Tenney, MN R+53
- French Woods, NY R+39
- Saunders, KS R+78
- Princeton, AR R+10
- Grenville, NM R+62
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.