NYCdata provides various kinds of data ( e.g., education, business, culture, sports, housing, income, labor, consumer prices) about New York City. NYCdata is " unique website that provides all the information about NYC you need!."
The particular site provides " 1990 Census information about 5 boroughs."
Queens Chamber of Commerce site contains information about Queens.
This site provides information about Brooklyn.
This site provides information about the Bronx.
This site offers information about Manhattan.
This site contains information about Staten Island.
This site provides data about "U.S. Economic Accounts."
"FedStats, which has been available to the public since 1997, provides access to the full range of official statistical information produced by the Federal Government."
"The Statistical Abstract of the United States, published since 1878, is the authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States."