Alsea leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 66% of adults in Alsea typically vote, near the U.S. average of about 62%. Among adults in Alsea, ~30% vote Democratic, ~36% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Alsea compares
Among cities within 25 miles, Alsea leans more Republican than 15 of 41 neighbors.
Alsea runs about 21 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Alsea is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Alsea. The west side runs the most Democratic (D+12) and the north side runs the most Republican (R+14), a spread of about 27 points.
Why Alsea 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 Alsea, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in Alsea live in densely developed areas, about 29 points below the Oregon average of 31%. A high family-household share predicts Republican voting, and about 79% of households in Alsea are family households, above 88% of cities. Alsea runs against the grain of Oregon, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Alsea, OR sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Alsea looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Alsea 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Dawson, OR R+12
- Tidewater, OR D+20
- Harlan, OR R+32
- Glenbrook, OR R+16
- Blachly, OR R+16
- Bellfountain, OR R+15
- Nashville, OR D+9
- Monroe, OR R+18
- Deadwood, OR R+16
Cities with Similar Populations
- Corinth, MI R+37
- Tipton, OK R+67
- Bray, OK R+73
- Kellogg, MN R+34
- Clayton, LA D+12
- Mackinaw City, MI R+20
- Chickasaw, OH R+82
- Leakey, TX R+67
- Butte Des Morts, WI R+25
- Haywood City, MO R+67
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.