Crestmore Heights is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 40% of adults in Crestmore Heights typically vote, below the U.S. average of about 62%. Among adults in Crestmore Heights, ~20% vote Democratic, ~20% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.
How Crestmore Heights compares
Among cities within 25 miles, Crestmore Heights sits roughly in the middle of the political spectrum, with 30 neighbors leaning further in the place's direction and 40 leaning the other way.
Crestmore Heights runs about 22 points more Republican than California as a whole. California leans Democratic overall, while Crestmore Heights sits closer to the political middle.
Why Crestmore Heights 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 Crestmore Heights, not a ranked or complete list of what matters most.
Crestmore Heights votes against the grain of California. California leans Democratic overall, while Crestmore Heights runs about 22 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 Crestmore Heights, CA does.
Why turnout in Crestmore Heights looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Crestmore Heights is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 26% of adults in Crestmore Heights report food insecurity, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rubidoux, CA D+9
- Bloomington, CA D+10
- Glen Avon, CA D+4
- Pedley, CA R+4
- Grand Terrace, CA R+5
- Colton, CA D+17
- Riverside, CA Even
- Fontana, CA D+14
- Rialto, CA D+20
- Mira Loma, CA Even
Cities with Similar Populations
- Dodd City, TX R+73
- Williston, OH R+39
- Whitesville, NY R+52
- Veseli, MN R+44
- Pachuta, MS R+5
- Ludington, WI R+29
- Shasta, CA R+35
- Riverdale, NE R+65
- McLean, TX R+86
- Drayton, ND R+43
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.