Deer Harbor is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 85% of adults in Deer Harbor typically vote, above the U.S. average of about 62%. Among adults in Deer Harbor, ~71% vote Democratic, ~14% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Deer Harbor compares
Among cities within 25 miles, Deer Harbor is the most Democratic-leaning.
Deer Harbor runs about 49 points more Democratic than Washington as a whole.
Why Deer Harbor 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 Deer Harbor, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 69% of adults in Deer Harbor hold a bachelor's degree, about 40 points above the U.S. average of 28%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Deer Harbor, WA sits in the top 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 Deer Harbor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Deer Harbor 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Deer Harbor have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- West Sound, WA D+64
- Orcas, WA D+56
- Shaw Island, WA D+53
- Waldron, WA D+66
- Friday Harbor, WA D+42
- Eastsound, WA D+57
- Roche Harbor, WA D+42
- Olga, WA D+58
- Port Stanley, WA D+47
- Blakely Island, WA D+48
Cities with Similar Populations
- Porterfield, TN R+68
- Lena, OH R+62
- Elmdale, IN R+62
- Breckenridge, OK R+68
- Bradleyville, MO R+70
- Mooresville, WV R+52
- Holcomb, WA R+28
- Kings Valley, OR D+7
- Amity, OH R+64
- St. George, ME D+4
Sources and methodology
Precinct-level voting records used to fit the model come from Washington Secretary of State, Elections, 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.