Best Choices:
Statista
Provides access to recent statistics and studies including market researchers, trade organizations, scientific journals, and government databases. Includes a powerful Business Plan export tool.
eMarketer
Detailed marketing data. See the video tutorial.
Social Explorer
Demographic data, maps, and profile reports of the United States.
Also Try:
Access to social science data and analysis tools. Demographic data for New York City, New York State, and the United States. Data from the U.S. Census Bureau.ICPSR (Inter-university Consortium for Political and Social Research) — must create login
Infoshare Online
U.S. Census Bureau (formerly American Fact Finder)
Research Guides
A library research guide for finding online information about the demographics of New York neighborhoods. A library research guide for statistical resources.New York City Neighborhood Demographics
Statistical Resources