Granite Hills leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 75% of adults in Granite Hills typically vote, above the U.S. average of about 62%. Among adults in Granite Hills, ~25% vote Democratic, ~50% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Granite Hills compares
Granite Hills sits in a sparsely populated area with few comparable neighborhoods nearby.
Granite Hills runs about 53 points more Republican than California as a whole. California leans Democratic overall, while Granite Hills is one of the few Republican-leaning pockets.
Politics vary noticeably by block within Granite Hills. The north side is the most Republican-leaning (R+44) and the west side is the least Republican-leaning (R+20), a spread of about 24 points.
Why Granite Hills leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Granite Hills, not a ranked or complete list of what matters most.
Granite Hills votes against the grain of California. California leans Democratic overall, while Granite Hills runs about 53 points more Republican. A high family-household share predicts Republican voting, and about 83% of households in Granite Hills are family households, above 90% of neighborhoods.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; Granite Hills, El Cajon, CA sits below the national average on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Granite Hills looks the way it does
Turnout in Granite Hills 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 Neighborhoods
- Winter Gardens, Lakeside, CA R+20
- Sky Ranch, Santee, CA R+15
- Lake Murray, San Diego, CA D+20
- San Carlos, San Diego, CA D+25
- Rolando, San Diego, CA D+42
- Jomacha-Lomita, San Diego, CA D+29
- Del Cerro, San Diego, CA D+27
- College Area, San Diego, CA D+41
- Sky Line, San Diego, CA D+33
- Darnall, San Diego, CA D+31
Neighborhoods with Similar Populations
- Armory Park, Tucson, AZ D+59
- South Flagstaff, Flagstaff, AZ D+51
- Amtrak, San Bernardino, CA D+19
- Anatolia Village, Rancho Cordova, CA D+10
- Village 12, Sacramento, CA D+31
- East Augusta, Augusta, GA D+80
- Avalon, Albuquerque, NM D+17
- Southwest Quadrant, Alexandria, VA D+62
- Camelot, San Antonio, TX D+20
- Brookview, Waco, TX D+6
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.