Sylvester Park leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 27% of adults in Sylvester Park typically vote, below the U.S. average of about 62%. Among adults in Sylvester Park, ~16% vote Democratic, ~11% Republican, and ~73% don't vote. The map below shows estimated turnout by block group.
How Sylvester Park compares
Politically, Sylvester Park sits close to the rest of Washington.
Why Sylvester Park 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 Sylvester Park, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Sylvester Park live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 54% of adults in Sylvester Park have never been married, above 88% of neighborhoods.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Sylvester Park, Pasco, WA sits in the top tenth 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 Sylvester Park looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Sylvester Park is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 18 points below the Washington average of 65%. Low high-school completion lines up with lower turnout, and about 62% of adults in Sylvester Park have completed high school, below 98% of neighborhoods. High-crime urban areas turn out at lower rates, and Sylvester Park sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Sun Willows, Pasco, WA D+13
- Creekstone, Kennewick, WA R+28
- Lovisa Farms, Pasco, WA R+23
- Meadow Springs, Richland, WA R+7
- Keene Valley, Richland, WA R+9
- Gold Coast, Richland, WA D+10
- North Richland, Richland, WA D+9
- Stevens Triangle, Richland, WA R+4
- Downtown, Prosser, WA R+20
- Thorpe Westwood, Spokane, WA R+9
Neighborhoods with Similar Populations
- St. Joseph Historic Neighborhood, Indianapolis, IN D+62
- Berkley Estates, Neptune, NJ D+46
- Catalina Foothills Estates, Catalina Foothills, AZ D+28
- Morgan Village, Camden, NJ D+68
- Lake View, Kirkland, WA D+53
- Northwood, Tamarac, FL D+20
- 6th Ward, Allentown, PA D+14
- Putnam Heights, Eau Claire, WI D+20
- Sea View Estates, Oxnard, CA D+22
- Brierwood, Jacksonville, FL R+11
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.