Trestle Glen, Oakland, CA Political Map | Democrat & Republican Areas in Trestle Glen

Trestle Glen is a Democratic stronghold. About 90% of voters here vote Democratic and 10% Republican.

 
Trestle Glen, Oakland, CA block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 83% of adults in Trestle Glen typically vote, above the U.S. average of about 62%. Among adults in Trestle Glen, ~75% vote Democratic, ~8% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.

Trestle Glen, Oakland, CA block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Trestle Glen compares

Among neighborhoods within 5 miles, Trestle Glen leans more Democratic than 49 of 65 neighbors.

Trestle Glen runs about 60 points more Democratic than California as a whole.

Why Trestle Glen 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 Trestle Glen, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 76% of adults in Trestle Glen hold a bachelor's degree, about 47 points above the U.S. average of 28%. Dense areas vote Democratic, and Trestle Glen sits in the top fifth on density (more than 99%, above 89% of neighborhoods).

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Trestle Glen, Oakland, CA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Trestle Glen looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Trestle Glen 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 76%, about 16 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Trestle Glen have completed high school, above 87% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.