Downtown Fullerton leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 51% of adults in Downtown Fullerton typically vote, below the U.S. average of about 62%. Among adults in Downtown Fullerton, ~31% vote Democratic, ~20% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How Downtown Fullerton compares
Among neighborhoods within 5 miles, Downtown Fullerton leans more Democratic than 8 of 9 neighbors.
Politically, Downtown Fullerton sits close to the rest of California.
Politics vary noticeably by block within Downtown Fullerton. The east side is the most Democratic-leaning (D+30) and the northeast side is the least Democratic-leaning (D+18), a spread of about 12 points.
Why Downtown Fullerton 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 Fullerton, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Downtown Fullerton live in densely developed areas, about 64 points above the U.S. average of 36%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Downtown Fullerton, Fullerton, CA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Downtown Fullerton looks the way it does
Crowded housing lines up with lower turnout. About 15% of homes in Downtown Fullerton have more than one occupant per room, above 96% of neighborhoods. Renters vote less often than owners, and about 67% of households in Downtown Fullerton rent, compared to around 51% in nearby neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- The Colony, Anaheim, CA D+24
- Northwest, Anaheim, CA D+15
- Northeast, Anaheim, CA D+16
- Southeast, Anaheim, CA D+19
- SouthWest Anaheim, Anaheim, CA D+11
- La Habra City, La Habra, CA D+7
- Brea-Olinda, Brea, CA R+3
- Southwest, Anaheim, CA D+10
- Lowell, La Habra, CA Even
- Riverview-Santa Ana, Santa Ana, CA D+28
Neighborhoods with Similar Populations
- Firestone Park, Akron, OH D+24
- Spectrum, Irvine, CA D+14
- Orchards Area, Orchards, WA Even
- Martin Luther, Chicago, IL D+26
- Bowmanville, Chicago, IL D+64
- Washington Square, Syracuse, NY D+32
- Ridgeland, Oak Park, IL D+82
- Iron Triangle, Richmond, CA D+54
- State Fair-Nolan, Highland Park, MI D+66
- Hybla Valley, Alexandria, VA D+43
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.