Cypress-Riverside leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 40% of adults in Cypress-Riverside typically vote, below the U.S. average of about 62%. Among adults in Cypress-Riverside, ~23% vote Democratic, ~17% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.
How Cypress-Riverside compares
Among neighborhoods within 5 miles, Cypress-Riverside leans more Democratic than 9 of 25 neighbors.
Cypress-Riverside runs about 7 points more Republican than California as a whole.
Politics vary noticeably by block within Cypress-Riverside. The south side is the most Democratic-leaning (D+18) and the southeast side is the least Democratic-leaning (D+3), a spread of about 15 points.
Why Cypress-Riverside 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 Cypress-Riverside, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Cypress-Riverside live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 46% of adults in Cypress-Riverside have never been married, above 76% of neighborhoods.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as Cypress-Riverside, Highland, CA does.
Why turnout in Cypress-Riverside looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Cypress-Riverside is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 46%, about 16 points below the California average of 62%. High food insecurity lines up with lower turnout, and about 31% of adults in Cypress-Riverside report food insecurity, above 83% of neighborhoods. Low high-school completion lines up with lower turnout, and about 79% of adults in Cypress-Riverside have completed high school, below 86% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Lankershim, Highland, CA D+22
- San Andreas, Highland, CA D+13
- San Gorgonio, Highland, CA D+22
- Crossroads, Highland, CA R+5
- Curtis, Highland, CA D+22
- Pacific-Riverside, San Bernardino, CA D+21
- NE-Sterling, San Bernardino, CA D+21
- Belevedere, San Bernardino, CA R+3
- East Valley, San Bernardino, CA D+25
- Northwest Redlands, Redlands, CA D+14
Neighborhoods with Similar Populations
- East End, Charleston, WV D+44
- Pear Orchard, Beaumont, TX D+83
- Taylor, Cedar Rapids, IA D+24
- Northport, Fargo, ND Even
- Parkland, Louisville, KY D+90
- Lower 9th Ward, New Orleans, LA D+80
- Northeast, Kansas City, KS D+67
- Julia Keen, Tucson, AZ D+33
- South East Community, Grand Rapids, MI D+66
- Lincoln Park, Milwaukee, WI D+83
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.