Vernon leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 44% of adults in Vernon typically vote, below the U.S. average of about 62%. Among adults in Vernon, ~27% vote Democratic, ~17% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.
How Vernon compares
Among cities within 25 miles, Vernon leans more Democratic than 69 of 145 neighbors.
Politically, Vernon sits close to the rest of California.
Why Vernon 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 Vernon, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Vernon live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 44% of adults in Vernon have never been married, above 96% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Vernon, 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 Vernon looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Vernon is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 90% of households in Vernon rent, compared to around 66% in nearby cities. High food insecurity lines up with lower turnout, and about 26% of adults in Vernon report food insecurity, above 92% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Maywood, CA D+38
- Bell, CA D+34
- Huntington Park, CA D+37
- Cudahy, CA D+34
- Commerce, CA D+33
- East Los Angeles, CA D+41
- Bell Gardens, CA D+36
- South Gate, CA D+36
- Florence-Graham, CA D+42
- Montebello, CA D+28
Cities with Similar Populations
- Hatton, WA R+61
- Encinal, NM D+29
- Sheep Town, VA R+69
- Rockview, MO R+70
- Changewater, NJ R+25
- Cones, NH R+38
- St. Mary, NE R+52
- Woodbury, IL R+70
- Wetsel, OH R+75
- San Miguel, NM Even
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.