Curtin leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 68% of adults in Curtin typically vote, above the U.S. average of about 62%. Among adults in Curtin, ~24% vote Democratic, ~44% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Curtin compares
Among cities within 25 miles, Curtin leans more Republican than 23 of 32 neighbors.
Curtin runs about 45 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Curtin is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Curtin. The west side is the most Republican-leaning (R+36) and the northwest side is the least Republican-leaning (R+18), a spread of about 18 points.
Why Curtin 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 Curtin, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Curtin live in densely developed areas, about 27 points below the Oregon average of 31%. A high family-household share predicts Republican voting, and about 75% of households in Curtin are family households, above 77% of cities. Curtin runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Curtin, OR sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Curtin looks the way it does
Turnout in Curtin 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
- Latham, OR R+8
- Cottage Grove, OR R+8
- Rogue Elk, OR R+21
- London, OR R+24
- Drain, OR R+38
- Walker, OR R+13
- Lorane, OR R+18
- Yoncalla, OR R+41
- Walden, OR R+29
- Thurston, OR R+23
Cities with Similar Populations
- Owenton, VA R+8
- Lucerne, WY R+70
- McKees Beach, WA R+16
- Iconium, MO R+63
- Lamberton, NY R+15
- Hyampom, CA R+17
- Chulafinnee, AL R+83
- Clarksville, NH R+36
- O'Brion, WV R+58
- Rosemary, MS D+14
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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.