Princeton is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 46% of adults in Princeton typically vote, below the U.S. average of about 62%. Among adults in Princeton, ~11% vote Democratic, ~35% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How Princeton compares
Among cities within 25 miles, Princeton leans more Republican than 22 of 27 neighbors.
Princeton runs about 72 points more Republican than California as a whole. California leans Democratic overall, while Princeton is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Princeton. The northwest side is the most Republican-leaning (R+68) and the southeast side is the least Republican-leaning (R+37), a spread of about 31 points.
Why Princeton 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 Princeton, not a ranked or complete list of what matters most.
Princeton votes against the grain of California. California leans Democratic overall, while Princeton runs about 72 points more Republican. Rural areas vote Republican, and Princeton sits in the bottom quarter on density (about 3%, below 91% of cities).
Population density and Republican lean
Places with low population density tend to lean Republican; Princeton, CA sits in the bottom quarter nationally on this measure.
Why turnout in Princeton looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Princeton 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 41% of households in Princeton rent, about 16 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 21% of adults in Princeton report food insecurity, above 83% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Butte City, CA R+62
- Willows, CA R+33
- Glenn, CA R+64
- Richvale, CA R+58
- Maxwell, CA R+40
- Colusa, CA R+26
- Ordbend, CA R+51
- Pennington, CA R+51
- Nelson, CA R+36
- Biggs, CA R+49
Cities with Similar Populations
- Odessa, NE R+67
- Belfast, NC R+20
- French Creek, WV R+68
- Langlois, OR R+7
- Strathmoor Village, KY D+49
- Nazareth, TX R+74
- Peterman, AL D+9
- Markleton, PA R+71
- Salem, NC Even
- Pitsburg, OH R+70
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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.