Eastvale is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 60% of adults in Eastvale typically vote, near the U.S. average of about 62%. Among adults in Eastvale, ~29% vote Democratic, ~31% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Eastvale compares
Among cities within 25 miles, Eastvale sits roughly in the middle of the political spectrum, with 58 neighbors leaning further in the place's direction and 28 leaning the other way.
Eastvale runs about 21 points more Republican than California as a whole. California leans Democratic overall, while Eastvale sits closer to the political middle.
Politics vary noticeably by neighborhood within Eastvale. The northeast side runs the most Democratic (D+4) and the southwest side runs the most Republican (R+7), a spread of about 11 points.
Why Eastvale 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 Eastvale, not a ranked or complete list of what matters most.
Eastvale votes against the grain of California. California leans Democratic overall, while Eastvale runs about 21 points more Republican.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as Eastvale, CA does.
Why turnout in Eastvale looks the way it does
Crowded housing lines up with lower turnout. About 4% of homes in Eastvale have more than one occupant per room, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Norco, CA R+19
- Mira Loma, CA Even
- Chino, CA Even
- Pedley, CA R+4
- Glen Avon, CA D+4
- Corona, CA Even
- Ontario, CA D+13
- Chino Hills, CA R+4
- Rubidoux, CA D+9
- Riverside, CA Even
Cities with Similar Populations
- Huntersville, NC D+6
- East Orange, NJ D+80
- Salisbury, MD D+18
- Dover, DE D+25
- Tamarac, FL D+27
- Great Falls, MT R+20
- Ames, IA D+27
- Camden, NJ D+64
- Kingsport, TN R+45
- Waterford, MI R+6
All Local Stats
Home Services
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.