Greenfield, CA Political Map | Democrat & Republican Areas in Greenfield

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

Greenfield leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.

 

About 36% of adults in Greenfield typically vote, below the U.S. average of about 62%. Among adults in Greenfield, ~23% vote Democratic, ~13% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.

How Greenfield compares

Among cities within 25 miles, Greenfield is the most Democratic-leaning.

Greenfield runs about 7 points more Democratic than California as a whole.

Politics vary noticeably by neighborhood within Greenfield. The south side runs the most Democratic (D+31) and the southwest side runs the most Republican (R+14), a spread of about 45 points.

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

Dense areas vote Democratic. About 77% of residents in Greenfield live in densely developed areas, about 41 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 43% of adults in Greenfield have never been married, above 96% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Greenfield, CA sits in the top tenth nationally on this measure.

Why turnout in Greenfield looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Greenfield is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 14 points below the California average of 62%. Renters vote less often than owners, and about 47% of households in Greenfield rent, about 22 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 38% of adults in Greenfield report food insecurity, above 98% of cities. 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.