Riverton leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 70% of adults in Riverton typically vote, above the U.S. average of about 62%. Among adults in Riverton, ~19% vote Democratic, ~51% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Riverton compares
Among cities within 25 miles, Riverton leans more Republican than 7 of 13 neighbors.
Politically, Riverton sits close to the rest of Wyoming.
Politics vary noticeably by neighborhood within Riverton. The northwest side is the most Republican-leaning (R+75) and the south side is the least Republican-leaning (R+32), a spread of about 43 points.
Why Riverton 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 Riverton, not a ranked or complete list of what matters most.
Riverton votes Republican even though it is densely developed (about 52%, far above the Wyoming average of 12%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Riverton, WY sits in the top quarter nationally on this measure.
Why turnout in Riverton looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Riverton 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
- Arapahoe, WY D+20
- St. Stephens, WY R+47
- Sand Draw, WY R+24
- Morton, WY R+55
- Hudson, WY R+61
- Shoshoni, WY R+68
- Ethete, WY D+13
- Pavillion, WY R+80
- Lander, WY R+24
Cities with Similar Populations
- Pickens, SC R+67
- Broussard, LA R+43
- Camano Island, WA D+6
- Vinings, GA D+37
- Parole, MD D+30
- Sunny Vista, CA D+15
- Coshocton, OH R+45
- East Highland Park, VA D+69
- Pinckney, MI R+19
- Bothell West, WA D+23
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Sources and methodology
Precinct-level voting records used to fit the model come from Wyoming 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.