Alta leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 68% of adults in Alta typically vote, above the U.S. average of about 62%. Among adults in Alta, ~22% vote Democratic, ~46% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Alta compares
Among cities within 25 miles, Alta leans more Republican than 36 of 40 neighbors.
Alta runs about 56 points more Republican than California as a whole. California leans Democratic overall, while Alta is one of the few Republican-leaning pockets.
Why Alta 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 Alta, not a ranked or complete list of what matters most.
Alta votes against the grain of California. California leans Democratic overall, while Alta runs about 56 points more Republican.
Population density and Republican lean
Places with low population density tend to lean Republican; Alta, CA sits in the bottom quarter nationally on this measure.
Why turnout in Alta looks the way it does
Homeowners vote more often than renters. About 93% of households in Alta own their home, about 31 points above the California average of 62%. High high-school completion lines up with higher turnout, and about 98% of adults in Alta have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Baxter, CA R+35
- Dutch Flat, CA R+32
- Gold Run, CA R+34
- Casa Loma, CA R+37
- Magra, CA R+36
- Washington, CA D+10
- Emigrant Gap, CA R+12
- Michigan Bluff, CA R+37
- Nevada City, CA D+24
Cities with Similar Populations
- Cowanesque, PA R+49
- Dodds, OH R+57
- Ingalls, KS R+79
- Monticello, ME R+45
- Austin, PA R+67
- Argonia, KS R+60
- Scipio Center, NY R+33
- Rural Ridge, PA R+6
- Chatham, MI R+15
- Powers Lake, ND R+78
All Local Stats
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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.