Altaville leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 66% of adults in Altaville typically vote, near the U.S. average of about 62%. Among adults in Altaville, ~26% vote Democratic, ~40% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Altaville compares
Among cities within 25 miles, Altaville leans more Republican than 16 of 47 neighbors.
Altaville runs about 41 points more Republican than California as a whole. California leans Democratic overall, while Altaville is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Altaville. The west side is the most Republican-leaning (R+34) and the east side is the least Republican-leaning (R+9), a spread of about 25 points.
Why Altaville 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 Altaville, not a ranked or complete list of what matters most.
Altaville votes against the grain of California. California leans Democratic overall, while Altaville runs about 41 points more Republican.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Altaville, CA sits in the top quarter nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Altaville looks the way it does
Turnout in Altaville sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Angels, CA R+30
- Angels Camp, CA R+32
- Vallecito, CA R+15
- Douglas Flat, CA R+9
- Murphys, CA R+7
- Tuttletown, CA R+25
- San Andreas, CA R+26
- Columbia, CA R+18
- Mountain Ranch, CA R+18
- Hathaway Pines, CA R+10
Cities with Similar Populations
- Lacarne, OH R+33
- Liberty, ME R+13
- Pansey, AL R+32
- Summerhill, NY R+37
- Brays, VA Even
- Webb, MS D+56
- Casa Blanca, AZ D+56
- Mantua Corners, OH R+40
- Hillister, TX R+75
- Red House, VA R+37
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.