The Census Bureau has released the results of the 1992 Characteristics of Business Owners Survey (CBO). These results provide data for comparing the "selected economic, demographic, and sociological characteristics" of business owners.
The latest installment from this quarterly report from the Federal Reserve Board of Governors lists minority-owned banks by state. Data include assets, deposits, and established dates. The data from this study, from the banks that participate in the Department of the Treasury's Minority Bank Deposit Program, are compiled from "Consolidated Reports of Condition and Income filed quarterly by banks...