Industry leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 49% of adults in Industry typically vote, below the U.S. average of about 62%. Among adults in Industry, ~28% vote Democratic, ~21% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How Industry compares
Among cities within 25 miles, Industry leans more Democratic than 50 of 123 neighbors.
Industry runs about 5 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Industry. The west side runs the most Democratic (D+26) and the north side runs the most Republican (R+9), a spread of about 35 points.
Why Industry 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 Industry, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Industry live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 38% of adults in Industry have never been married, above 91% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Industry, 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 Industry looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Industry 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 36% of households in Industry rent, above 92% of cities. High food insecurity lines up with lower turnout, and about 21% of adults in Industry report food insecurity, above 83% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- South San Jose Hills, CA D+28
- Valinda, CA D+24
- La Puente, CA D+28
- Hacienda Heights, CA D+15
- West Covina, CA D+20
- Rowland Heights, CA D+10
- West Puente Valley, CA D+30
- Walnut, CA D+10
- Avocado Heights, CA D+25
- La Habra Heights, CA R+10
Cities with Similar Populations
- Orlando, KY R+73
- Munsonville, NH D+4
- Prospect Harbor, ME R+21
- Palestine, WV R+68
- Moores Bridge, AL R+82
- Taylor Crossroads, TN R+71
- Sandyfield, NC D+8
- Merriam, IL R+73
- New Berlin, TX R+66
- Mc Allister, MT R+51
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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.