Metro Broadband Data
San Jose-San Francisco-Oakland, CA
BroadbandClusters provides ZIP-level internet adoption, device access, and digital divide analysis for the San Jose-San Francisco-Oakland, CA metropolitan area. Data covers 217 communities across CA, drawing from the FCC Broadband Data Collection and U.S. Census American Community Survey (ACS) 2020–2024. Use the interactive tool to identify underserved ZIP codes, compare socioeconomic clusters, and analyze connectivity gaps for seniors, veterans, and people with disabilities.
Open Interactive Dashboard →What's available for San Jose
Internet Adoption by ZIP
Broadband subscription rates at ZIP code level — see where households lack connectivity.
Device Access
Desktop, laptop, and tablet ownership rates. Identifies device poverty separate from broadband gaps.
Socioeconomic Clusters
Machine learning groupings of ZIPs by demographic similarity — pinpoints systemic gaps.
Vulnerable Populations
Breakdowns for seniors 65+, veterans, people with disabilities, and low-income households.
FCC Coverage vs. Adoption
Compare where infrastructure exists (FCC data) to where people are actually connected (Census ACS).
Bottom 20% ZIPs
Automatically identifies the most underserved ZIP codes for targeted intervention and grant planning.
Communities covered
The San Jose-San Francisco-Oakland, CA metro analysis includes ZIP codes across the following communities:
Data source: FCC Broadband Data Collection (BDC) and U.S. Census Bureau American Community Survey (ACS) 5-year estimates, 2020–2024. All metrics are population-weighted at the ZIP Code Tabulation Area (ZCTA) level. Free for education, research, and non-commercial policy work. Contact broadbandclusters@gmail.com for inquiries.