Riverside leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 42% of adults in Riverside typically vote, below the U.S. average of about 62%. Among adults in Riverside, ~16% vote Democratic, ~26% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.
How Riverside compares
Among cities within 25 miles, Riverside leans more Republican than 1 of 28 neighbors.
Riverside runs about 13 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Riverside. The east side is the most split-leaning (R+65) and the west side is the least split-leaning (Even), a spread of about 64 points.
Why Riverside 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 Riverside, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in Riverside hold a bachelor's degree, about 18 points below the Texas average of 26%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Riverside, TX 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 Riverside looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 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 48%, about 6 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 79% of adults in Riverside have completed high school, below 92% of cities. High-crime urban areas turn out at lower rates, and Riverside sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pine Prairie, TX R+53
- Dodge, TX R+56
- Westville, TX R+56
- Trinity, TX R+53
- Phelps, TX R+47
- Huntsville, TX R+13
- Weldon, TX R+37
- Sebastopol, TX R+68
- Glendale, TX R+71
- Chita, TX R+69
Cities with Similar Populations
- Old Fig Garden, CA D+10
- Bonsall, CA R+15
- Los Ranchos de Albuquerque, NM D+26
- Drums, PA R+33
- Carlinville, IL R+33
- Mineral, VA R+39
- Jefferson, OH R+44
- Waterford, PA R+35
- Orange Lake, NY D+16
- Black Jack, MO D+82
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Texas Secretary of State, Elections Division, 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.