Downtown Pomona leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 38% of adults in Downtown Pomona typically vote, below the U.S. average of about 62%. Among adults in Downtown Pomona, ~26% vote Democratic, ~12% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.
How Downtown Pomona compares
Downtown Pomona runs about 16 points more Democratic than California as a whole.
Why Downtown Pomona leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Downtown Pomona, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Downtown Pomona 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 56% of adults in Downtown Pomona have never been married, above 90% of neighborhoods.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Downtown Pomona, Pomona, 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 Downtown Pomona looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Downtown Pomona 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 83% of households in Downtown Pomona rent, compared to around 42% in nearby neighborhoods. High food insecurity lines up with lower turnout, and about 29% of adults in Downtown Pomona report food insecurity, above 81% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Edison Historic District, Pomona, CA D+36
- Downtown Ontario, Ontario, CA D+24
- Walnut Valley, Diamond Bar, CA D+9
- Charter Oak, Covina, CA D+9
- Covina-Valley, Covina, CA D+18
- Brea-Olinda, Brea, CA R+3
- Bassett, West Puente Valley, CA D+31
- Victoria Gardens, Rancho Cucamonga, CA D+11
- La Habra City, La Habra, CA D+7
- Anaheim Hills, Anaheim, CA R+8
Neighborhoods with Similar Populations
- Arnold Heights, Lincoln, NE R+5
- Downtown Erie, Erie, PA D+36
- Starview, Redding, CA R+27
- Westfield, Baltimore, MD D+66
- Heritage District, Gilbert, AZ D+5
- Clanton Park-Roseland, Charlotte, NC D+83
- Lakeview Terrace, Kansas City, MO D+14
- Crown Meadows, San Antonio, TX D+22
- SR Marmon, Albuquerque, NM D+13
- Hillsmere Shores, Annapolis Neck, MD D+19
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.