Research

Original data research from PlainBankData. Every number here is pulled directly from our live database; nothing is hardcoded.

What can you learn from PlainBankData research?

What this research covers

PlainBankData research ranks FDIC Call Report and Failed Bank List extracts covering 4,313 insured banks across 55 states, plus 3,521 historical FDIC-resolved failures (Q4 2025 (REPDTE: 20251231)).

4,313
FDIC-insured banks tracked
55
states with headquarters banks
3,521
FDIC-resolved failures in the archive

Asset ranks and failure counts are descriptive registry statistics, not credit ratings or investment advice.

Top 10 US States by FDIC-Insured Bank Concentration

PlainBankData aggregates FDIC-insured bank Call Reports by state of headquarters, surfacing the states that anchor the largest concentrations of chartered banking activity by both institution count and aggregate balance-sheet size.

FDIC Bank Statistics: National Reference Figures

The full set of national reference figures behind PlainBankData: total assets and deposits, health-grade distribution, historical bank failures, and industry-wide capital adequacy, all read live from FDIC Call Report data.

Download the FDIC bank financial-conditions extract cited on this page: fdic-bank-financial-conditions.csv (public domain / CC0).