Yerdemont is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 57% of adults in Yerdemont typically vote, near the U.S. average of about 62%. Among adults in Yerdemont, ~28% vote Democratic, ~29% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How Yerdemont compares
Among neighborhoods within 5 miles, Yerdemont sits roughly in the middle of the political spectrum, with 14 neighbors leaning further in the place's direction and 1 leaning the other way.
Yerdemont runs about 22 points more Republican than California as a whole. California leans Democratic overall, while Yerdemont sits closer to the political middle.
Politics vary noticeably by block within Yerdemont. The southwest side runs the most Democratic (D+11) and the northwest side runs the most Republican (R+16), a spread of about 27 points.
Why Yerdemont 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 Yerdemont, not a ranked or complete list of what matters most.
Yerdemont votes against the grain of California. California leans Democratic overall, while Yerdemont runs about 22 points more Republican.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Yerdemont, San Bernardino, CA sits below 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 Yerdemont looks the way it does
Turnout in Yerdemont 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 Neighborhoods
- Kendall, San Bernardino, CA D+16
- University-San Bernardino, San Bernardino, CA D+29
- Hudson, San Bernardino, CA D+12
- Muscoy, San Bernardino, CA D+20
- Cajon, San Bernardino, CA D+9
- North Park Riverside, San Bernardino, CA R+3
- Sandin Hills, San Bernardino, CA D+15
- Delman, San Bernardino, CA D+25
- Wildwood Park, San Bernardino, CA D+14
- Muscupiabe, San Bernardino, CA D+20
Neighborhoods with Similar Populations
- West Ravenswood, Chicago, IL D+74
- Silver Lake, Wilmington, NC Even
- Turnagain, Anchorage, AK D+30
- Northwood Point, Irvine, CA D+8
- Southwest Colorado Springs, Colorado Springs, CO R+9
- Oak Park-Northwood, San Antonio, TX D+8
- Adamsville, Atlanta, GA D+86
- West Garfield Park, Chicago, IL D+81
- Windsor Park, Charlotte, NC D+44
- Riverside, Cambridge, MA D+78
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.