Interlake leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.
About 58% of adults in Interlake typically vote, near the U.S. average of about 62%. Among adults in Interlake, ~43% vote Democratic, ~15% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Interlake compares
Among neighborhoods within 5 miles, Interlake leans more Democratic than 18 of 22 neighbors.
Interlake runs about 30 points more Democratic than Washington as a whole.
Why Interlake leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Interlake, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 77% of adults in Interlake hold a bachelor's degree, about 49 points above the U.S. average of 28%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Interlake, Bellevue, WA sits in the top quarter nationally on this measure.
Why turnout in Interlake looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Interlake 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%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Overlake, Bellevue, WA D+42
- Crossroads, Bellevue, WA D+44
- Idylwood, Redmond, WA D+51
- Tam O'shanter, Bellevue, WA D+44
- Bridle Trails, Bellevue, WA D+46
- Lake Hills, Bellevue, WA D+43
- Southeast Redmond, Redmond, WA D+38
- Grass Lawn, Redmond, WA D+50
- Wilburton, Bellevue, WA D+41
- Downtown Redmond, Redmond, WA D+53
Neighborhoods with Similar Populations
- Town and Country North, Cockeysville, MD D+42
- North Westchester Meadows, Grand Prairie, TX D+23
- Se Heights, Albuquerque, NM D+55
- Cal-Gisler, Oxnard, CA D+41
- Salt Springs, Syracuse, NY D+60
- Corbett, Tucson, AZ D+21
- Oakland Ave-Harrison Street, Oakland, CA D+81
- Brookland, Washington, DC D+92
- Brookside, Tulsa, OK D+16
- Enterprise, Redding, CA R+13
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.