London, MI Political Map | Democrat & Republican Areas in London

London leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.

 
London, MI block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 87% of adults in London typically vote, above the U.S. average of about 62%. Among adults in London, ~26% vote Democratic, ~61% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.

London, MI block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How London compares

Among cities within 25 miles, London leans more Republican than 56 of 73 neighbors.

London runs about 38 points more Republican than Michigan as a whole.

Why London leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in London. The lean here lands roughly where demographic data alone would predict.

Park access and Republican lean

Places with low park coverage tend to lean Republican; London, MI sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.

Why turnout in London looks the way it does

Areas with strong routine healthcare access turn out at higher rates. London 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 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in London own their home, about 18 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

Sources and methodology

Precinct-level voting records used to fit the model come from Michigan Department 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.