Manchester is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 53% of adults in Manchester typically vote, below the U.S. average of about 62%. Among adults in Manchester, ~40% vote Democratic, ~13% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Manchester compares
Among cities within 25 miles, Manchester leans more Democratic than 6 of 12 neighbors.
Manchester runs about 31 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within Manchester. The south side is the most Democratic-leaning (D+60) and the west side is the least Democratic-leaning (D+46), a spread of about 14 points.
Why Manchester 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 Manchester, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 31% of adults in Manchester hold a bachelor's degree, above 76% of cities. A high never-married share predicts Democratic voting, and about 34% of adults in Manchester have never been married, above 85% of cities.
Homeownership and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; Manchester, CA sits in the bottom tenth nationally on this measure.
Why turnout in Manchester looks the way it does
Renters vote less often than owners. About 42% of households in Manchester rent, about 17 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 4% of homes in Manchester have more than one occupant per room, above 85% of cities. Low high-school completion lines up with lower turnout, and about 85% of adults in Manchester have completed high school, below 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Point Arena, CA D+57
- Gualala, CA D+53
- Philo, CA D+46
- Elk, CA D+50
- Boonville, CA D+35
- Navarro, CA D+42
- Albion, CA D+62
- The Sea Ranch, CA D+53
- Yorkville, CA D+30
- Little River, CA D+63
Cities with Similar Populations
- Inchelium, WA D+12
- Lyndon, IL R+46
- Rossburg, OH R+75
- Steptoe, NV R+64
- Salem, IA R+49
- Lazy Mountain, AK R+35
- Kennedyville, MD R+19
- Portland, ND R+38
- Maxwell, IN R+50
- Stringtown, VA R+29
All Local Stats
Home Services
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.