Woodbridge leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 70% of adults in Woodbridge typically vote, above the U.S. average of about 62%. Among adults in Woodbridge, ~27% vote Democratic, ~43% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Woodbridge compares
Among cities within 25 miles, Woodbridge leans more Republican than 30 of 52 neighbors.
Woodbridge runs about 43 points more Republican than California as a whole. California leans Democratic overall, while Woodbridge is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Woodbridge. The north side is the most Republican-leaning (R+36) and the south side is the least Republican-leaning (R+17), a spread of about 19 points.
Why Woodbridge leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Woodbridge, not a ranked or complete list of what matters most.
Woodbridge votes Republican even though it is densely developed (about 27%, far below the California average of 58%). Here an older population outweighs the Democratic lean that density usually predicts. Woodbridge runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Woodbridge, CA sits in the top quarter 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 Woodbridge looks the way it does
Turnout in Woodbridge sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lodi, CA R+8
- Victor, CA R+34
- Collierville, CA R+42
- Acampo, CA R+46
- Galt, CA R+13
- Lockeford, CA R+27
- Thornton, CA R+26
- Locke, CA R+25
- Twin Cities, CA R+35
- Waterloo, CA R+40
Cities with Similar Populations
- Eubank, KY R+71
- Carmichaels, PA R+42
- Rio Bravo, TX R+6
- Albia, IA R+40
- West Pleasant View, CO D+19
- Bloomfield, IA R+56
- Hardin, MT R+18
- Maysville, NC R+32
- Charlestown, NH R+32
- Watertown, TN R+65
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.