Loma Linda leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 45% of adults in Loma Linda typically vote, below the U.S. average of about 62%. Among adults in Loma Linda, ~25% vote Democratic, ~20% Republican, and ~55% don't vote. The map below shows estimated turnout by block group.
How Loma Linda compares
Among cities within 25 miles, Loma Linda leans more Democratic than 61 of 68 neighbors.
Loma Linda runs about 9 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Loma Linda. The northwest side is the most Democratic-leaning (D+19) and the southeast side is the least Democratic-leaning (Even), a spread of about 18 points.
Why Loma Linda 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 Loma Linda, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 87% of residents in Loma Linda live in densely developed areas, about 51 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Loma Linda sits in the top quarter (about 48%, above 93% of cities). A high never-married share predicts Democratic voting, and about 42% of adults in Loma Linda have never been married, above 95% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Loma Linda, CA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Loma Linda looks the way it does
Renters vote less often than owners. About 62% of households in Loma Linda rent, about 37 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 6% of homes in Loma Linda have more than one occupant per room, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Grand Terrace, CA R+5
- Redlands, CA D+3
- Colton, CA D+17
- Highland, CA D+6
- San Bernardino, CA D+18
- Mentone, CA R+18
- Rialto, CA D+20
- Bloomington, CA D+10
- Moreno Valley, CA D+18
- Crestmore Heights, CA R+2
Cities with Similar Populations
- Candler, NC R+13
- Franklin, NC R+45
- Fresno, TX D+55
- Angleton, TX R+31
- Bayonet Point, FL R+24
- Valencia, CA D+9
- Hastings, MN R+11
- Argyle, TX R+38
- Waianae, HI D+6
- Chelmsford, MA D+17
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.