Friday Harbor leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.
About 83% of adults in Friday Harbor typically vote, above the U.S. average of about 62%. Among adults in Friday Harbor, ~59% vote Democratic, ~24% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Friday Harbor compares
Among cities within 25 miles, Friday Harbor leans more Democratic than 4 of 20 neighbors.
Friday Harbor runs about 24 points more Democratic than Washington as a whole.
Politics vary noticeably by neighborhood within Friday Harbor. The northeast side is the most Democratic-leaning (D+57) and the east side is the least Democratic-leaning (D+34), a spread of about 23 points.
Why Friday 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 Friday Harbor, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 50% of adults in Friday Harbor hold a bachelor's degree, about 22 points above the U.S. average of 28%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Friday Harbor, WA sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Friday Harbor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Friday 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 72%, about 12 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Shaw Island, WA D+53
- Deer Harbor, WA D+67
- Roche Harbor, WA D+42
- Orcas, WA D+56
- Lopez, WA D+54
- Port Stanley, WA D+47
- West Sound, WA D+64
- Lopez Island, WA D+47
- Richardson, WA D+55
Cities with Similar Populations
- Millstadt, IL R+37
- Castle Shannon, PA D+10
- Orlovista, FL D+34
- Curtis Bay, MD D+12
- Dormont, PA D+39
- Patterson, LA R+21
- Bedminster, NJ D+8
- Wadesboro, NC D+22
- Monticello, FL R+17
- Grayling, MI R+29
All Local Stats
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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.