Arroyo Viejo is a Democratic stronghold. About 83% of voters here vote Democratic and 17% Republican.
About 41% of adults in Arroyo Viejo typically vote, below the U.S. average of about 62%. Among adults in Arroyo Viejo, ~34% vote Democratic, ~7% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.
How Arroyo Viejo compares
Among neighborhoods within 5 miles, Arroyo Viejo leans more Democratic than 36 of 50 neighbors.
Arroyo Viejo runs about 46 points more Democratic than California as a whole.
Why Arroyo Viejo 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 Arroyo Viejo, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Arroyo Viejo 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 48% of adults in Arroyo Viejo have never been married, above 79% of neighborhoods.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Arroyo Viejo, Oakland, CA sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Arroyo Viejo looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Arroyo Viejo is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 29% of adults in Arroyo Viejo report food insecurity, above 81% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Fitchburg, Oakland, CA D+59
- Webster, Oakland, CA D+60
- Eastmont, Oakland, CA D+72
- Highland, Oakland, CA D+52
- Coliseum, Oakland, CA D+59
- Castlemont, Oakland, CA D+63
- Cox, Oakland, CA D+61
- Seminary, Oakland, CA D+77
- Elmhurst Park, Oakland, CA D+56
- Millsmont, Oakland, CA D+84
Neighborhoods with Similar Populations
- Columbus Park, Omaha, NE D+36
- East del Paso Heights, Sacramento, CA D+20
- Fairoaks, Tampa, FL R+2
- North El Monte, Arcadia, CA D+13
- Centennial Park, Santa Ana, CA D+24
- Boston Road, Springfield, MA D+24
- Millside Heights, Riverside, NJ D+9
- East Roseville Parkway, Roseville, CA R+3
- Suncrest, Orem, UT R+18
- Terra Vista, Bakersfield, CA R+7
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.