Tam O'shanter leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.
About 71% of adults in Tam O'shanter typically vote, above the U.S. average of about 62%. Among adults in Tam O'shanter, ~51% vote Democratic, ~20% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Tam O'shanter compares
Among neighborhoods within 5 miles, Tam O'shanter leans more Democratic than 11 of 19 neighbors.
Tam O'shanter runs about 26 points more Democratic than Washington as a whole.
Why Tam O'shanter 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 Tam O'shanter, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 68% of adults in Tam O'shanter hold a bachelor's degree, about 40 points above the U.S. average of 28%.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as Tam O'shanter, Bellevue, WA does.
Why turnout in Tam O'shanter looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Tam O'shanter 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 Neighborhoods
- Crossroads, Bellevue, WA D+44
- Idylwood, Redmond, WA D+51
- Interlake, Bellevue, WA D+49
- Overlake, Bellevue, WA D+42
- Lake Hills, Bellevue, WA D+43
- West Lake Sammamish, Bellevue, WA D+42
- Southeast Redmond, Redmond, WA D+38
- Bridle Trails, Bellevue, WA D+46
- Wilburton, Bellevue, WA D+41
- Grass Lawn, Redmond, WA D+50
Neighborhoods with Similar Populations
- Abbot, Ann Arbor, MI D+60
- Woodbridge at Monte Viejo, San Antonio, TX D+9
- Galindo, Austin, TX D+54
- Everett, Lincoln, NE D+40
- Skybrook, Huntersville, NC D+7
- Cedar Ridge, Waco, TX R+7
- Alderman Park, Jacksonville, FL D+14
- Barclay Hills, Oregon City, OR D+22
- North Willow Farms, Indianapolis, IN D+49
- Ellis Lake, Concord, CA D+42
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.