Loomis leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 76% of adults in Loomis typically vote, above the U.S. average of about 62%. Among adults in Loomis, ~29% vote Democratic, ~47% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Loomis compares
Among cities within 25 miles, Loomis leans more Republican than 43 of 65 neighbors.
Loomis runs about 44 points more Republican than California as a whole. California leans Democratic overall, while Loomis is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Loomis. The south side is the most Republican-leaning (R+30) and the southeast side is the least Republican-leaning (R+20), a spread of about 10 points.
Why Loomis 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 Loomis, not a ranked or complete list of what matters most.
Loomis votes Republican even though it is densely developed (about 51%, modestly below the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Loomis runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as Loomis, CA does.
Why turnout in Loomis looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Loomis is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Loomis have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Penryn, CA R+32
- Newcastle, CA R+29
- Rocklin, CA R+9
- Granite Bay, CA R+11
- Lincoln, CA R+17
- Pilot Hill, CA R+22
- Roseville, CA R+5
- Orangevale, CA R+10
- North Auburn, CA R+13
- Folsom, CA D+9
Cities with Similar Populations
- Tarrytown, NY D+38
- North Valley Stream, NY D+38
- Trophy Club, TX R+32
- Lincolnwood, IL D+5
- White City, OR R+23
- Rifle, CO R+29
- Mission Hills, CA D+23
- Ripley, TN R+11
- Fleetwood, PA R+29
- Grand Terrace, CA R+5
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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.