Auburn leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 76% of adults in Auburn typically vote, above the U.S. average of about 62%. Among adults in Auburn, ~33% vote Democratic, ~43% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Auburn compares
Among cities within 25 miles, Auburn leans more Republican than 18 of 63 neighbors.
Auburn runs about 33 points more Republican than California as a whole. California leans Democratic overall, while Auburn is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Auburn. The southeast side runs the most Democratic (D+6) and the west side runs the most Republican (R+33), a spread of about 39 points.
Why Auburn 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 Auburn, not a ranked or complete list of what matters most.
Auburn votes Republican even though it is densely developed (about 53%, modestly below the California average of 58%). Here an older population outweighs the Democratic lean that density usually predicts. Auburn runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Auburn, CA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Auburn looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Auburn 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- North Auburn, CA R+13
- Clipper Gap, CA R+25
- Meadow Vista, CA R+18
- Newcastle, CA R+29
- Applegate, CA R+23
- Cool, CA R+16
- Heather Glen, CA R+23
- Penryn, CA R+32
- Pilot Hill, CA R+22
- Greenwood, CA R+30
Cities with Similar Populations
- Englewood, FL R+30
- Langhorne, PA D+4
- Quakertown, PA R+15
- Oconomowoc, WI R+22
- Happy Valley, OR D+20
- Black Lick, OH D+23
- Anniston, AL R+9
- Coram, NY Even
- Azle, TX R+58
- Belvidere, IL R+9
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.