Palermo leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 57% of adults in Palermo typically vote, near the U.S. average of about 62%. Among adults in Palermo, ~19% vote Democratic, ~38% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How Palermo compares
Among cities within 25 miles, Palermo leans more Republican than 34 of 48 neighbors.
Palermo runs about 55 points more Republican than California as a whole. California leans Democratic overall, while Palermo is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Palermo. The southeast side is the most Republican-leaning (R+41) and the west side is the least Republican-leaning (R+28), a spread of about 13 points.
Why Palermo 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 Palermo, not a ranked or complete list of what matters most.
Palermo votes against the grain of California. California leans Democratic overall, while Palermo runs about 55 points more Republican. Dense places usually vote Democratic, but Palermo runs against that pattern. Low college attainment predicts Republican voting, and Palermo sits in the bottom quarter (about 11%, below 90% of cities).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Palermo, 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 Palermo looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Palermo is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 30% of households in Palermo rent, above 84% of cities. High food insecurity lines up with lower turnout, and about 26% of adults in Palermo report food insecurity, above 92% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- South Oroville, CA R+13
- Oroville East, CA R+29
- Oroville, CA R+21
- Thermalito, CA R+25
- Robinsons Corner, CA R+46
- Bangor, CA R+35
- Honcut, CA R+41
- Biggs, CA R+49
- Rackerby, CA R+29
- Gridley, CA R+30
Cities with Similar Populations
- Richlands, VA R+57
- South Brooksville, FL R+28
- Willow Springs, IL R+12
- Hardy, VA R+51
- Baldwyn, MS R+40
- Sandia Park, NM Even
- Northfield, IL D+26
- Pelham Manor, NY D+30
- Potosi, MO R+58
- Grandview, TX R+73
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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.