Heather Glen leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 69% of adults in Heather Glen typically vote, above the U.S. average of about 62%. Among adults in Heather Glen, ~26% vote Democratic, ~43% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Heather Glen compares
Among cities within 25 miles, Heather Glen leans more Republican than 30 of 53 neighbors.
Heather Glen runs about 44 points more Republican than California as a whole. California leans Democratic overall, while Heather Glen is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Heather Glen. The southeast side is the most Republican-leaning (R+37) and the northwest side is the least Republican-leaning (R+18), a spread of about 19 points.
Why Heather Glen 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 Heather Glen, not a ranked or complete list of what matters most.
Heather Glen votes against the grain of California. California leans Democratic overall, while Heather Glen runs about 44 points more Republican.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Heather Glen, CA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Heather Glen looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Heather Glen 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Applegate, CA R+23
- Meadow Vista, CA R+18
- Weimar, CA R+26
- Clipper Gap, CA R+25
- Colfax, CA R+26
- Shady Glen, CA R+22
- Foresthill, CA R+35
- Greenwood, CA R+30
- Auburn, CA R+12
- North Auburn, CA R+13
Cities with Similar Populations
- Newell, SD R+75
- Tennessee City, TN R+63
- Madray Springs, GA R+84
- Irasburg, VT R+27
- Tryon, OK R+71
- Hastings, IN R+69
- Walton, WV R+64
- Nerstrand, MN R+32
- Essex, IA R+46
- Rhea, AR R+55
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.