Bonadelle Ranchos-Madera Ranchos, CA Political Map | Democrat & Republican Areas in Bonadelle Ranchos-Madera Ranchos

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

Bonadelle Ranchos-Madera Ranchos leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.

 

About 80% of adults in Bonadelle Ranchos-Madera Ranchos typically vote, above the U.S. average of about 62%. Among adults in Bonadelle Ranchos-Madera Ranchos, ~26% vote Democratic, ~55% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.

How Bonadelle Ranchos-Madera Ranchos compares

Among cities within 25 miles, Bonadelle Ranchos-Madera Ranchos leans more Republican than 17 of 25 neighbors.

Bonadelle Ranchos-Madera Ranchos runs about 57 points more Republican than California as a whole. California leans Democratic overall, while Bonadelle Ranchos-Madera Ranchos is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Bonadelle Ranchos-Madera Ranchos. The north side is the most Republican-leaning (R+44) and the west side is the least Republican-leaning (R+30), a spread of about 14 points.

Why Bonadelle Ranchos-Madera Ranchos 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 Bonadelle Ranchos-Madera Ranchos, not a ranked or complete list of what matters most.

Bonadelle Ranchos-Madera Ranchos votes against the grain of California. California leans Democratic overall, while Bonadelle Ranchos-Madera Ranchos runs about 57 points more Republican. Dense places usually vote Democratic, but Bonadelle Ranchos-Madera Ranchos runs against that pattern. A high family-household share predicts Republican voting, and about 78% of households in Bonadelle Ranchos-Madera Ranchos are family households, above 84% of cities.

Homeownership and voter turnout

Places with homeowner-heavy households tend to turn out at a higher rate; Bonadelle Ranchos-Madera Ranchos, CA sits in the top tenth nationally on this measure.

Why turnout in Bonadelle Ranchos-Madera Ranchos looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Bonadelle Ranchos-Madera Ranchos 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 68%, about 8 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Bonadelle Ranchos-Madera Ranchos own their home, compared to around 58% in nearby cities. 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.