Alhambra leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 47% of adults in Alhambra typically vote, below the U.S. average of about 62%. Among adults in Alhambra, ~30% vote Democratic, ~17% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How Alhambra compares
Among cities within 25 miles, Alhambra leans more Democratic than 81 of 141 neighbors.
Alhambra runs about 8 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Alhambra. The northwest side is the most Democratic-leaning (D+33) and the east side is the least Democratic-leaning (D+20), a spread of about 13 points.
Why Alhambra 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 Alhambra, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Alhambra live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Alhambra sits in the top quarter (about 41%, above 88% of cities). A high never-married share predicts Democratic voting, and about 37% of adults in Alhambra have never been married, above 90% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Alhambra, CA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Alhambra looks the way it does
Renters vote less often than owners. About 58% of households in Alhambra rent, about 33 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 8% of homes in Alhambra have more than one occupant per room, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- South Pasadena, CA D+52
- Monterey Park, CA D+21
- San Gabriel, CA D+19
- San Marino, CA D+21
- Rosemead, CA D+17
- East Los Angeles, CA D+41
- Temple City, CA D+13
- Pasadena, CA D+51
- East Pasadena, CA D+33
- Montebello, CA D+28
Cities with Similar Populations
- Upland, CA Even
- Santa Clarita, CA Even
- Lithonia, GA D+81
- Camarillo, CA D+8
- Evanston, IL D+76
- Pasco, WA R+9
- Castle Rock, CO R+15
- Apple Valley, CA R+26
- Waipahu, HI D+10
- Muncie, IN Even
All Local Stats
Home Services
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.