Downtown Fontana leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 35% of adults in Downtown Fontana typically vote, below the U.S. average of about 62%. Among adults in Downtown Fontana, ~21% vote Democratic, ~14% Republican, and ~65% don't vote. The map below shows estimated turnout by block group.
How Downtown Fontana compares
Among neighborhoods within 5 miles, Downtown Fontana leans more Democratic than 4 of 5 neighbors.
Politically, Downtown Fontana sits close to the rest of California.
Why Downtown Fontana leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Downtown Fontana, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Downtown Fontana live in densely developed areas, about 64 points above the U.S. average of 36%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Downtown Fontana, Fontana, CA sits in the bottom quarter 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 Downtown Fontana looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Downtown Fontana 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 14 points below the California average of 62%. Renters vote less often than owners, and about 77% of households in Downtown Fontana rent, compared to around 29% in nearby neighborhoods. High food insecurity lines up with lower turnout, and about 34% of adults in Downtown Fontana report food insecurity, above 87% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Rancho Fontana, Fontana, CA D+9
- Summit Heights, Fontana, CA D+8
- West End, Fontana, CA D+13
- Downtown Rialto, Rialto, CA D+28
- Southridge Village, Fontana, CA D+17
- Hunter's Ridge, Fontana, CA R+2
- Terrace, San Bernardino, CA D+23
- Rancho West, San Bernardino, CA D+18
- Victoria Gardens, Rancho Cucamonga, CA D+11
- Sunnyslope, Riverside, CA Even
Neighborhoods with Similar Populations
- Hackensack Riverfront, Jersey City, NJ D+46
- A.C.T., Evansville, IN D+15
- College Hill, Greensboro, NC D+76
- Downtown Warren, Warren, PA R+14
- Kinsmith, Cleveland, OH D+82
- Lake Forest, Jacksonville, FL D+66
- SW Jones, Wausau, WI Even
- Rankin Historic District, Ironton, OH R+24
- Orchard Breeze, Wichita, KS R+7
- North Growth Area, Fresno, CA R+28
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.