Arrowview, San Bernardino, CA Political Map | Democrat & Republican Areas in Arrowview

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

Arrowview leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.

 

About 49% of adults in Arrowview typically vote, below the U.S. average of about 62%. Among adults in Arrowview, ~28% vote Democratic, ~21% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.

How Arrowview compares

Among neighborhoods within 5 miles, Arrowview leans more Democratic than 12 of 39 neighbors.

Arrowview runs about 5 points more Republican than California as a whole.

Politics vary noticeably by block within Arrowview. The north side is the most Democratic-leaning (D+20) and the west side is the least Democratic-leaning (D+10), a spread of about 10 points.

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

Dense areas vote Democratic. More than 99% of residents in Arrowview live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 50% of adults in Arrowview have never been married, above 81% of neighborhoods.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Arrowview, San Bernardino, CA sits in the bottom 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 Arrowview looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Arrowview 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 46%, about 16 points below the California average of 62%. High food insecurity lines up with lower turnout, and about 35% of adults in Arrowview report food insecurity, above 89% of neighborhoods. High-crime urban areas turn out at lower rates, and Arrowview sits in the top 15% on a violent-crime measure. 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.