Klamath Falls leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 69% of adults in Klamath Falls typically vote, above the U.S. average of about 62%. Among adults in Klamath Falls, ~27% vote Democratic, ~42% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Klamath Falls compares
Among cities within 25 miles, Klamath Falls is the least Republican-leaning.
Klamath Falls runs about 36 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Klamath Falls is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Klamath Falls. The southeast side is the most Republican-leaning (R+45) and the west side is the least Republican-leaning (R+12), a spread of about 34 points.
Why Klamath Falls 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 Klamath Falls, not a ranked or complete list of what matters most.
Klamath Falls votes Republican even though it is densely developed (about 54%, well above the Oregon average of 31%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Klamath Falls runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Klamath Falls, OR sits in the top tenth nationally on this measure.
Why turnout in Klamath Falls looks the way it does
Turnout in Klamath Falls 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
- Pelican City, OR R+28
- Altamont, OR R+35
- Wocus, OR R+23
- Midland, OR R+48
- Falcon Heights, OR R+55
- Olene, OR R+49
- Shady Pine, OR R+36
- Lake of the Woods, OR R+49
- Keno, OR R+44
- Dairy, OR R+55
Cities with Similar Populations
- Bristol, VA R+43
- Wasco, CA Even
- Norco, CA R+19
- Carbondale, IL D+36
- Ardmore, OK R+33
- Monroeville, PA D+20
- Forest Hills, MI Even
- Uniondale, NY D+58
- Leland, NC R+18
- Madison Heights, MI D+9
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.