Central Napa leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 56% of adults in Central Napa typically vote, below the U.S. average of about 62%. Among adults in Central Napa, ~39% vote Democratic, ~17% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How Central Napa compares
Among neighborhoods within 5 miles, Central Napa is the most Democratic-leaning.
Central Napa runs about 19 points more Democratic than California as a whole.
Politics vary noticeably by block within Central Napa. The north side is the most Democratic-leaning (D+49) and the southwest side is the least Democratic-leaning (D+31), a spread of about 17 points.
Why Central Napa leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Central Napa. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Central Napa, Napa, CA sits above the national average on this measure.
Why turnout in Central Napa looks the way it does
Crowded housing lines up with lower turnout. About 9% of homes in Central Napa have more than one occupant per room, above 88% of neighborhoods. Low high-school completion lines up with lower turnout, and about 81% of adults in Central Napa have completed high school, below 84% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Westwood-San Francisco, Napa, CA D+35
- Terrace-Shurtleff, Napa, CA D+36
- Beard, Napa, CA D+37
- Vintage, Napa, CA D+28
- Browns Valley, Napa, CA D+30
- Linda Vista-San Francisco, Napa, CA D+24
- Flosden, Vallejo, CA D+26
- Chabot Terrace, Vallejo, CA D+48
- Harry Floyd Terrace, Vallejo, CA D+42
- Carquinez Heights, Vallejo, CA D+45
Neighborhoods with Similar Populations
- Admiral, Seattle, WA D+71
- Paradise Hills, Henderson, NV R+17
- Upper Eastside, Miami, FL D+25
- Lodo, Denver, CO D+55
- River Road, Eugene, OR D+26
- Edison Park, Chicago, IL D+5
- Far Southwest, Fort Worth, TX D+10
- Clear Lake, Houston, TX R+8
- Artesia Pilar, Santa Ana, CA D+31
- Allison Hill, Harrisburg, PA D+63
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.