Mills Orchard leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 50% of adults in Mills Orchard typically vote, below the U.S. average of about 62%. Among adults in Mills Orchard, ~14% vote Democratic, ~36% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Mills Orchard compares
Among cities within 25 miles, Mills Orchard leans more Republican than 18 of 27 neighbors.
Mills Orchard runs about 66 points more Republican than California as a whole. California leans Democratic overall, while Mills Orchard is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Mills Orchard. The west side is the most Republican-leaning (R+55) and the northeast side is the least Republican-leaning (R+27), a spread of about 28 points.
Why Mills Orchard 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 Mills Orchard, not a ranked or complete list of what matters most.
Mills Orchard votes against the grain of California. California leans Democratic overall, while Mills Orchard runs about 66 points more Republican.
High-school completion, uninsured rate, and voter turnout
Places that combine low high-school-completion share and a high uninsured rate tend to turn out at a lower rate, as Mills Orchard, CA does.
Why turnout in Mills Orchard looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Mills Orchard is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 20% of adults in Mills Orchard report food insecurity, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hamilton City, CA Even
- Rotavele, CA R+27
- Orland, CA R+31
- Vina, CA R+50
- Artois, CA R+61
- Ordbend, CA R+51
- Corning, CA R+31
- Chico, CA D+15
- Richfield, CA R+45
- Glenn, CA R+64
Cities with Similar Populations
- Stella, VA R+53
- Stendal, IN R+57
- Pipestem, WV R+62
- Piney Point, FL R+41
- Deerwalk, WV R+62
- Bicknell, UT R+59
- Cedarhill, OH R+58
- Pine Grove, MS D+6
- Lewistown, MD R+39
- Tea, MO R+63
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.