CFED's Bank On program tracks un and under-banked households across the country. Initially their data was available at census tract level, but is now only available at PUMA level. Data available from CFED may be found at: http://scorecard.assetsandopportunity.org/latest/measure/underbanked-hou...

However, the CFE BankOn 2.0 provides standards for local programs interested in development and maintaining their own financial services data. Learn more about the National Account Standards developed by the Cities for Financial Empowerment Fund at: http://www.joinbankon.org/#/about.

Data for the indicator "Access to Mainstream Financial Services" is derived by the percent of combined "un" and "under-banked" households within a neighborhood.

Additional information about how to collect this data can be found through the
http://scorecard.assetsandopportunity.org/latest/measure/underbanked-hou...
Additional Resources may be found at the CFED Banking Resource Center:
http://cfed.org/knowledge_center/resource_directory/search/?field_issue_...
And the Pew Charitable Trust: http://www.pewtrusts.org/en/projects/consumer-banking