Carbondale is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 24% of adults in Carbondale typically vote, below the U.S. average of about 62%. Among adults in Carbondale, ~6% vote Democratic, ~18% Republican, and ~76% don't vote. The map below shows estimated turnout by block group.
How Carbondale compares
Among cities within 25 miles, Carbondale is the most Republican-leaning.
Carbondale runs about 72 points more Republican than California as a whole. California leans Democratic overall, while Carbondale is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Carbondale. The east side is the most Republican-leaning (R+53) and the southwest side is the least Republican-leaning (R+29), a spread of about 24 points.
Why Carbondale 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 Carbondale, not a ranked or complete list of what matters most.
Carbondale votes against the grain of California. California leans Democratic overall, while Carbondale runs about 72 points more Republican. Low college attainment predicts Republican voting, and Carbondale sits in the bottom quarter (about 9%, below 94% of cities). A high family-household share predicts Republican voting, and about 78% of households in Carbondale are family households, above 84% of cities.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Carbondale, CA sits below the national average 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 Carbondale looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Carbondale is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 66% of adults in Carbondale have completed high school, in the bottom fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Drytown, CA R+33
- Ione, CA R+38
- Sunnybrook, CA R+40
- Amador City, CA R+29
- Plymouth, CA R+38
- Buena Vista, CA R+42
- Sutter Creek, CA R+29
- Latrobe, CA R+26
- Sloughhouse, CA R+20
- Jackson, CA R+32
Cities with Similar Populations
- Cresco, IA R+24
- Algoma, WI R+23
- Marion, NY R+33
- Lake Tansi, TN R+54
- Axton, VA R+28
- Mount Morris, NY R+26
- Lake Placid, NY D+11
- Eden, UT R+37
- Hayfork, CA R+7
- Houston, AK R+45
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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.