London leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 43% of adults in London typically vote, below the U.S. average of about 62%. Among adults in London, ~18% vote Democratic, ~25% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.
How London compares
Among cities within 25 miles, London leans more Republican than 15 of 40 neighbors.
London runs about 35 points more Republican than California as a whole. California leans Democratic overall, while London is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within London. The north side runs the most Democratic (D+8) and the west side runs the most Republican (R+45), a spread of about 53 points.
Why London 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 London, not a ranked or complete list of what matters most.
London votes Republican even though it is densely developed (about 23%, far below the California average of 58%). Here a high share of family households outweighs the Democratic lean that density usually predicts. Low college attainment predicts Republican voting, and London sits in the bottom quarter (about 13%, below 85% of cities). London runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; London, CA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in London looks the way it does
Areas with limited routine healthcare access turn out at lower rates. London is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 42%, about 20 points below the California average of 62%. Renters vote less often than owners, and about 51% of households in London rent, about 26 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 45% of adults in London report food insecurity, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Monson, CA R+46
- Traver, CA R+43
- Dinuba, CA Even
- Kingsburg, CA R+34
- Sultana, CA R+17
- Yettem, CA R+17
- Cutler, CA D+19
- Reedley, CA Even
- Goshen, CA R+33
- Orosi, CA D+10
Cities with Similar Populations
- Otoe, NE R+52
- Millersburg, MO R+49
- Foote Site Village, MI R+35
- Wahlsburg, OH R+67
- Swede Heaven, WA R+26
- Guadalupita, NM D+7
- Oriental, PA R+66
- Culver, ID R+49
- Elk Creek, CA R+61
- Hubbardstown, WV R+69
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.