Claremont is a Democratic stronghold. About 91% of voters here vote Democratic and 9% Republican.
About 76% of adults in Claremont typically vote, above the U.S. average of about 62%. Among adults in Claremont, ~69% vote Democratic, ~7% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Claremont compares
Among neighborhoods within 5 miles, Claremont leans more Democratic than 35 of 51 neighbors.
Claremont runs about 61 points more Democratic than California as a whole.
Politics vary noticeably by block within Claremont. The southwest side is the most Democratic-leaning (D+89) and the northeast side is the least Democratic-leaning (D+71), a spread of about 18 points.
Why Claremont leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Claremont, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 84% of adults in Claremont hold a bachelor's degree, about 56 points above the U.S. average of 28%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Claremont, Berkeley, 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 Claremont looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Claremont 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Claremont have completed high school, above 89% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
Neighborhoods with Similar Populations
- United Westwood, San Antonio, TX D+28
- Kutzky Park, Rochester, MN D+41
- Alamosa, Albuquerque, NM D+25
- Melrose Park, Fort Lauderdale, FL D+65
- Old Hill, Springfield, MA D+55
- Ken Caryl Ranch Plains, Ken Caryl, CO D+11
- Dutchtown, Rochester, NY D+56
- Pines Village, New Orleans, LA D+87
- Bay, Springfield, MA D+56
- Loch Raven Manor, Towson, MD D+46
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.