Riverton leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican. These figures are model estimates: Maine did not have precinct-level voting records available for training, so the numbers above come from demographic and health features rather than local ground truth.
About 74% of adults in Riverton typically vote, above the U.S. average of about 62%. Among adults in Riverton, ~46% vote Democratic, ~27% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Riverton compares
Among neighborhoods within 5 miles, Riverton leans more Democratic than 1 of 12 neighbors.
Riverton runs about 20 points more Democratic than Maine as a whole.
Politics vary noticeably by block within Riverton. The west side is the most Democratic-leaning (D+35) and the northeast side is the least Democratic-leaning (D+15), a spread of about 20 points.
Why Riverton leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Riverton. None of them point strongly toward either party.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Riverton, Portland, ME sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Riverton looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Riverton is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 66%, about 6 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in Riverton have completed high school, above 95% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
Neighborhoods with Similar Populations
- Garfield, Huntington Beach, CA D+2
- Kenwood-Duluth, Duluth, MN D+30
- Whittier Heights, Seattle, WA D+80
- Penrose, St. Louis, MO D+86
- Valley, Providence, RI D+38
- Downtown, Providence, RI D+64
- Terra Linda, San Rafael, CA D+43
- Central Bench, Boise, ID D+21
- Greater Belhaven, Jackson, MS D+34
- Five Mile Creek, Dallas, TX D+54
Sources and methodology
Precinct-level voting records used to fit the model come from Maine Secretary of State, Bureau of Corporations Elections and Commissions, 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. ME did not have precinct-level voting records available for training, so the figures here come from extrapolation across demographic, health, and land-use features rather than local ground truth. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.