Ponderosa Park leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 52% of adults in Ponderosa Park typically vote, below the U.S. average of about 62%. Among adults in Ponderosa Park, ~35% vote Democratic, ~17% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How Ponderosa Park compares
Among neighborhoods within 5 miles, Ponderosa Park leans more Democratic than 5 of 20 neighbors.
Ponderosa Park runs about 14 points more Democratic than California as a whole.
Why Ponderosa 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 Ponderosa Park, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Ponderosa Park live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Ponderosa Park sits in the top quarter (about 64%, above 85% of neighborhoods).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Ponderosa Park, Sunnyvale, CA sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Ponderosa Park looks the way it does
Crowded housing lines up with lower turnout. About 8% of homes in Ponderosa Park have more than one occupant per room, above 87% of neighborhoods. Strong routine healthcare access lines up with higher turnout, and Ponderosa Park sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Birdland Neighbors, Sunnyvale, CA D+36
- Heritage District, Sunnyvale, CA D+43
- Lowlanders, Sunnyvale, CA D+42
- Sunnyvale West, Sunnyvale, CA D+37
- San Miguel, Sunnyvale, CA D+35
- Snail, Sunnyvale, CA D+33
- Lakewood, Sunnyvale, CA D+30
- Rancho Rinconada, Cupertino, CA D+33
- Loma Linda, San Jose, CA D+30
- South Los Altos, Los Altos, CA D+38
Neighborhoods with Similar Populations
- Crescenta Highlands, La Crescenta, CA D+22
- Carterville, Provo, UT R+15
- Stadium-Armory, Washington, DC D+85
- Magnolia Center, Riverside, CA D+8
- North Plymouth, Plymouth, MA D+16
- Springfield-Belmont, Newark, NJ D+77
- East Forest, Charlotte, NC D+48
- Lowry Park Central, Tampa, FL D+3
- Fremont, Seattle, WA D+79
- West Pullman, Chicago, IL D+82
Sources and methodology
Precinct-level voting records used to fit the model come from California 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.