Mira Loma is a true toss-up. About 50% of voters here vote Democratic and 50% Republican.
About 48% of adults in Mira Loma typically vote, below the U.S. average of about 62%. Among adults in Mira Loma, ~24% vote Democratic, ~24% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How Mira Loma compares
Among cities within 25 miles, Mira Loma sits roughly in the middle of the political spectrum, with 36 neighbors leaning further in the place's direction and 44 leaning the other way.
Mira Loma runs about 20 points more Republican than California as a whole.
Politics vary noticeably by neighborhood within Mira Loma. The northeast side runs the most Democratic (D+11) and the south side runs the most Republican (R+7), a spread of about 18 points.
Why Mira Loma leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mira Loma. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Mira Loma, 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 Mira Loma looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Mira Loma 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 28% of households in Mira Loma rent, above 81% of cities. High food insecurity lines up with lower turnout, and about 24% of adults in Mira Loma report food insecurity, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Glen Avon, CA D+4
- Pedley, CA R+4
- Eastvale, CA Even
- Norco, CA R+19
- Rubidoux, CA D+9
- Crestmore Heights, CA R+2
- Riverside, CA Even
- Ontario, CA D+13
- Fontana, CA D+14
- Corona, CA Even
Cities with Similar Populations
- Chevy Chase, MD D+69
- Flushing, MI R+5
- New Castle, IN R+40
- Ferndale, WA Even
- Rochester, MI Even
- Mountain Home, AR R+47
- El Cerrito, CA D+70
- Allendale, MI R+3
- Mount Holly, NC R+21
- Homer Glen, IL R+27
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.