Johnson Ranch, Roseville, CA Political Map | Democrat & Republican Areas in Johnson Ranch

Johnson Ranch is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.

 
Johnson Ranch, Roseville, CA block-group political-lean map
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About 66% of adults in Johnson Ranch typically vote, near the U.S. average of about 62%. Among adults in Johnson Ranch, ~32% vote Democratic, ~34% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.

Johnson Ranch, Roseville, CA block-group voter-turnout map
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How Johnson Ranch compares

Among neighborhoods within 5 miles, Johnson Ranch sits roughly in the middle of the political spectrum, with 2 neighbors leaning further in the place's direction and 4 leaning the other way.

Johnson Ranch runs about 23 points more Republican than California as a whole. California leans Democratic overall, while Johnson Ranch sits closer to the political middle.

Why Johnson Ranch leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Johnson Ranch, not a ranked or complete list of what matters most.

Johnson Ranch votes against the grain of California. California leans Democratic overall, while Johnson Ranch runs about 23 points more Republican.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Johnson Ranch, Roseville, CA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Johnson Ranch looks the way it does

Turnout in Johnson Ranch 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.

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.