Folsom leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 73% of adults in Folsom typically vote, above the U.S. average of about 62%. Among adults in Folsom, ~39% vote Democratic, ~34% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Folsom compares
Among cities within 25 miles, Folsom leans more Democratic than 52 of 65 neighbors.
Folsom runs about 11 points more Republican than California as a whole.
Why Folsom 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 Folsom, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in Folsom live in densely developed areas, about 52 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Folsom sits in the top quarter (about 55%, above 95% of cities).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Folsom, CA sits in the top tenth nationally 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 Folsom looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Folsom 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- El Dorado Hills, CA R+9
- Orangevale, CA R+10
- Granite Bay, CA R+11
- Gold River, CA D+16
- Fair Oaks, CA D+6
- Citrus Heights, CA R+3
- Rescue, CA R+23
- Cameron Park, CA R+17
- Rancho Cordova, CA D+10
- Loomis, CA R+24
Cities with Similar Populations
- Smyrna, GA D+34
- Turlock, CA R+13
- Parma, OH R+4
- St. Joseph, MO R+21
- Spokane Valley, WA R+11
- Apopka, FL D+4
- Marysville, WA Even
- Jackson, TN D+8
- Buford, GA R+3
- Warner Robins, GA D+10
All Local Stats
Home Services
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.