Long Beach leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 51% of adults in Long Beach typically vote, below the U.S. average of about 62%. Among adults in Long Beach, ~35% vote Democratic, ~15% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Long Beach compares
Among cities within 25 miles, Long Beach leans more Democratic than 101 of 121 neighbors.
Long Beach runs about 20 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Long Beach. The southwest side is the most Democratic-leaning (D+54) and the northeast side is the least Democratic-leaning (D+20), a spread of about 34 points.
Why Long Beach 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 Long Beach, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in Long Beach live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Long Beach sits in the top quarter (about 34%, above 81% of cities). A high never-married share predicts Democratic voting, and about 47% of adults in Long Beach have never been married, above 97% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Long Beach, 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 Long Beach looks the way it does
Renters vote less often than owners. About 57% of households in Long Beach rent, about 32 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and Long Beach sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 23% of adults in Long Beach report food insecurity, above 88% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Signal Hill, CA D+34
- Lakewood, CA D+17
- Rossmoor, CA Even
- Hawaiian Gardens, CA D+27
- Seal Beach, CA D+4
- Carson, CA D+38
- Los Alamitos, CA Even
- Bellflower, CA D+28
- Wilmington, CA D+30
- Paramount, CA D+35
Cities with Similar Populations
- Springfield, MA D+14
- Staten Island, NY R+21
- Aurora, CO D+24
- Oakland, CA D+68
- Mesa, AZ R+7
- Arlington, TX D+13
- Chattanooga, TN R+27
- Katy, TX R+4
- Anaheim, CA D+11
- Spokane, WA R+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.