Pacheco-Martinez, Martinez, CA Political Map | Democrat & Republican Areas in Pacheco-Martinez

Pacheco-Martinez leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.

 
Pacheco-Martinez, Martinez, CA block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 59% of adults in Pacheco-Martinez typically vote, near the U.S. average of about 62%. Among adults in Pacheco-Martinez, ~39% vote Democratic, ~20% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.

Pacheco-Martinez, Martinez, CA block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Pacheco-Martinez compares

Among neighborhoods within 5 miles, Pacheco-Martinez is the least Democratic-leaning.

Pacheco-Martinez runs about 12 points more Democratic than California as a whole.

Politics vary noticeably by block within Pacheco-Martinez. The south side is the most Democratic-leaning (D+39) and the northeast side is the least Democratic-leaning (D+17), a spread of about 22 points.

Why Pacheco-Martinez leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Pacheco-Martinez. The lean here lands roughly where demographic data alone would predict.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Pacheco-Martinez, Martinez, CA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Pacheco-Martinez looks the way it does

Turnout in Pacheco-Martinez 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.