Gig Harbor leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 93% of adults in Gig Harbor typically vote, above the U.S. average of about 62%. Among adults in Gig Harbor, ~51% vote Democratic, ~42% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Gig Harbor compares
Among cities within 25 miles, Gig Harbor leans more Democratic than 39 of 82 neighbors.
Gig Harbor runs about 9 points more Republican than Washington as a whole.
Politics vary noticeably by neighborhood within Gig Harbor. The east side runs the most Democratic (D+22) and the northwest side runs the most Republican (R+5), a spread of about 27 points.
Why Gig 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 Gig Harbor, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 46% of adults in Gig Harbor hold a bachelor's degree, about 18 points above the U.S. average of 28%. Dense areas vote Democratic, and Gig Harbor sits in the top fifth on density (about 53%, above 88% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Gig 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 Gig Harbor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Gig 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Gig Harbor have completed high school, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Artondale, WA D+8
- Burley, WA R+9
- Ruston, WA D+44
- Olalla, WA R+5
- Key Center, WA R+3
- Fox Island, WA D+6
- Vaughn, WA R+8
- Vashon, WA D+51
- Fircrest, WA D+34
- University Place, WA D+29
Cities with Similar Populations
- Tolleson, AZ D+25
- Richmond, IN R+20
- Avon, IN R+12
- Glenview, IL D+21
- Prosper, TX R+26
- San Juan Capistrano, CA R+4
- Muskogee, OK R+20
- Navarre, FL R+44
- Salem, MA D+41
- Gadsden, AL R+19
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.