Alpine Heights leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 65% of adults in Alpine Heights typically vote, near the U.S. average of about 62%. Among adults in Alpine Heights, ~18% vote Democratic, ~47% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Alpine Heights compares
Among cities within 25 miles, Alpine Heights is the most Republican-leaning.
Alpine Heights runs about 64 points more Republican than California as a whole. California leans Democratic overall, while Alpine Heights is one of the few Republican-leaning pockets.
Why Alpine Heights 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 Alpine Heights, not a ranked or complete list of what matters most.
Alpine Heights votes against the grain of California. California leans Democratic overall, while Alpine Heights runs about 64 points more Republican. A high family-household share predicts Republican voting, and about 81% of households in Alpine Heights are family households, above 92% of cities.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; Alpine Heights, CA sits in the bottom quarter nationally on this measure.
Why turnout in Alpine Heights looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Alpine Heights have completed high school, about 10 points above the California average of 86%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Alpine, CA R+30
- Jamul, CA R+34
- Flinn Springs, CA R+37
- Rancho San Diego, CA R+18
- El Cajon, CA R+11
- Lakeside, CA R+23
- Bostonia, CA R+8
- Dulzura, CA R+29
- Morena, CA R+33
- Casa de Oro-Mount Helix, CA D+11
Cities with Similar Populations
- Kelly, WY D+17
- Lowryville, TN R+78
- Frew, KY R+70
- Lucien, OK R+67
- Stansel, AL R+15
- Cranberry Prairie, OH R+81
- Ulysses, KY R+71
- Bruno, NE R+64
- Orange, IA R+32
- Willow City, ND R+52
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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.