Camp Pendleton leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 87% of adults in Camp Pendleton typically vote, above the U.S. average of about 62%. Among adults in Camp Pendleton, ~33% vote Democratic, ~54% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Camp Pendleton compares
Among cities within 25 miles, Camp Pendleton leans more Republican than 34 of 37 neighbors.
Camp Pendleton runs about 45 points more Republican than California as a whole. California leans Democratic overall, while Camp Pendleton is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Camp Pendleton. The southeast side runs the most Democratic (D+24) and the west side runs the most Republican (R+25), a spread of about 49 points.
Why Camp Pendleton 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 Camp Pendleton, not a ranked or complete list of what matters most.
Camp Pendleton votes against the grain of California. California leans Democratic overall, while Camp Pendleton runs about 45 points more Republican. A high family-household share predicts Republican voting, and about 92% of households in Camp Pendleton are family households, in the top fraction of cities.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; Camp Pendleton, CA sits in the bottom tenth nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in Camp Pendleton looks the way it does
Turnout in Camp Pendleton sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- San Clemente, CA R+11
- Chappo, CA R+25
- Capistrano Beach, CA R+9
- Camp Pendleton North, CA R+25
- San Juan Capistrano, CA R+4
- Dana Point, CA R+3
- Ladera Ranch, CA Even
- Oceanside, CA D+9
- Fallbrook, CA R+8
- Coto de Caza, CA R+16
Cities with Similar Populations
- Belpre, OH R+41
- Big Bear City, CA R+27
- Purcell, OK R+58
- Irvine, KY R+63
- Pleasant Hills, PA D+6
- Wilmington, IL R+32
- Sandwich, MA D+13
- Rapid Valley, SD R+39
- Hollister, MO R+48
- Nebo, NC R+57
All Local Stats
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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.