Riverview leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 37% of adults in Riverview typically vote, below the U.S. average of about 62%. Among adults in Riverview, ~20% vote Democratic, ~17% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How Riverview compares
Among neighborhoods within 5 miles, Riverview leans more Democratic than 2 of 27 neighbors.
Riverview runs about 12 points more Republican than California as a whole.
Why Riverview leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Riverview. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Riverview, San Bernardino, CA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Riverview looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Riverview 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 49%, about 13 points below the California average of 62%. High food insecurity lines up with lower turnout, and about 30% of adults in Riverview report food insecurity, above 82% of neighborhoods. Low high-school completion lines up with lower turnout, and about 81% of adults in Riverview have completed high school, below 84% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- North Central Loma Linda, Loma Linda, CA D+11
- South Pointe, San Bernardino, CA D+13
- International, San Bernardino, CA D+28
- Northwest Redlands, Redlands, CA D+14
- Curtis, Highland, CA D+22
- East Valley, San Bernardino, CA D+25
- West Redlands, Redlands, CA D+17
- Valley College, San Bernardino, CA D+17
- Lankershim, Highland, CA D+22
- Cypress-Riverside, Highland, CA D+13
Neighborhoods with Similar Populations
- Grand Lake, Oakland, CA D+83
- Jenkins, Newport News, VA D+51
- Northeast, South Bend, IN D+44
- Alta Vista-Waco, Waco, TX Even
- Belle Vista, Youngstown, OH D+21
- Oriole Margate Golf Course, Margate, FL D+18
- New Bethel, Indianapolis, IN R+17
- Phoenix Hill, Louisville, KY D+68
- Meadowbrook, Syracuse, NY D+63
- Highland Terrace, Oakland, CA D+55
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.