Chappo leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 87% of adults in Chappo typically vote, above the U.S. average of about 62%. Among adults in Chappo, ~33% vote Democratic, ~54% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Chappo compares
Among cities within 25 miles, Chappo leans more Republican than 25 of 28 neighbors.
Chappo runs about 45 points more Republican than California as a whole. California leans Democratic overall, while Chappo is one of the few Republican-leaning pockets.
Why Chappo 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 Chappo, not a ranked or complete list of what matters most.
Chappo votes against the grain of California. California leans Democratic overall, while Chappo runs about 45 points more Republican. A high family-household share predicts Republican voting, and about 92% of households in Chappo 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; Chappo, 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 Chappo looks the way it does
Turnout in Chappo 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
- Camp Pendleton North, CA R+25
- Oceanside, CA D+9
- Fallbrook, CA R+8
- Bonsall, CA R+15
- Vista, CA D+10
- Sunny Vista, CA D+15
- Camp Pendleton, CA R+24
- Carlsbad, CA D+18
- Rainbow, CA R+22
- San Marcos, CA D+11
Cities with Similar Populations
- Bear Creek, AL R+80
- Finger, TN R+75
- Southern View, IL R+6
- Morris Ranch, TX R+60
- Pleasant City, OH R+61
- Tower, MN D+4
- Island City, OR R+46
- Grand Junction, TN D+24
- Plains, GA R+5
- Rudolph, WI R+37
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.