Twin Cities, CA Political Map | Democrat & Republican Areas in Twin Cities

By the BestNeighborhood data science team. Last updated May 2026.

Twin Cities leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.

 

About 54% of adults in Twin Cities typically vote, below the U.S. average of about 62%. Among adults in Twin Cities, ~18% vote Democratic, ~36% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.

How Twin Cities compares

Among cities within 25 miles, Twin Cities leans more Republican than 42 of 56 neighbors.

Twin Cities runs about 55 points more Republican than California as a whole. California leans Democratic overall, while Twin Cities is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Twin Cities. The south side is the most Republican-leaning (R+42) and the southeast side is the least Republican-leaning (R+23), a spread of about 19 points.

Why Twin Cities 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 Twin Cities, not a ranked or complete list of what matters most.

Twin Cities votes against the grain of California. California leans Democratic overall, while Twin Cities runs about 55 points more Republican. A high family-household share predicts Republican voting, and about 78% of households in Twin Cities are family households, above 85% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Twin Cities, CA sits above the national average on this measure.

Why turnout in Twin Cities looks the way it does

Turnout in Twin Cities sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.

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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.