Riverdale leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 72% of adults in Riverdale typically vote, above the U.S. average of about 62%. Among adults in Riverdale, ~27% vote Democratic, ~45% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Riverdale compares
Among cities within 25 miles, Riverdale leans more Republican than 13 of 52 neighbors.
Riverdale runs about 5 points more Republican than Utah as a whole.
Politics vary noticeably by neighborhood within Riverdale. The southwest side is the most Republican-leaning (R+33) and the north side is the least Republican-leaning (R+21), a spread of about 12 points.
Why Riverdale 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 Riverdale, not a ranked or complete list of what matters most.
Riverdale votes Republican even though it is densely developed (about 89%, far above the Utah average of 32%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Riverdale, UT sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Riverdale looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Riverdale is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Washington Terrace, UT R+16
- Roy, UT R+24
- South Ogden, UT R+13
- Sunset, UT R+20
- West Haven, UT R+39
- Ogden, UT R+24
- Clinton, UT R+32
- Uintah, UT R+27
- Hill Afb, UT R+19
- South Weber, UT R+38
Cities with Similar Populations
- Lagrange, IN R+55
- Mosinee, WI R+27
- Edwardsburg, MI R+32
- South Lockport, NY R+15
- Westville, IN R+22
- Edgewood, KY R+16
- Williston Park, NY R+14
- Oakland, MD R+46
- Sheridan, OR R+20
- Rittman, OH R+41
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Utah Lieutenant Governor's Office, 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.