Cromberg leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 71% of adults in Cromberg typically vote, above the U.S. average of about 62%. Among adults in Cromberg, ~31% vote Democratic, ~41% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Cromberg compares
Among cities within 25 miles, Cromberg leans more Republican than 10 of 22 neighbors.
Cromberg runs about 34 points more Republican than California as a whole. California leans Democratic overall, while Cromberg is one of the few Republican-leaning pockets.
Why Cromberg 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 Cromberg, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Cromberg live in densely developed areas, about 54 points below the California average of 58%. Low college attainment predicts Republican voting, and Cromberg sits in the bottom quarter (about 3%, in the bottom fraction of cities). Cromberg runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Cromberg, CA sits in the bottom tenth 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 Cromberg looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Cromberg 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 66%, about 6 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Cromberg have completed high school, above 87% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Greenhorn, CA R+14
- Graeagle, CA R+16
- East Quincy, CA R+21
- Clio, CA R+16
- Portola, CA R+32
- Quincy, CA R+25
- Taylorsville, CA R+12
Cities with Similar Populations
- Chesbrough, LA R+35
- Idamay, KY R+69
- Hutchinson, NJ R+43
- Fostoria, KS R+55
- Ludlow, CO R+30
- Leedstown, VA R+12
- Sparkling Springs, VA R+48
- Big Falls, MN R+40
- Jaywye, MO R+61
- Vivian, SD R+66
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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.