Migration, Immigration, Diasporas, and Refugees

This is an executive summary of NYC.gov. This discusses the demographics of immigration to New York City. The report includes:
Source Countries of the Foreign-born
Legal Pathways of Entry
Residential Settlement Patterns
Foreign-born in the New York Metropolitan Region
Socioeconomic Attainment of the Foreign-born
Impact of Immigration on the New York City's Population, Labor Force, and Housing

This is the gateway for data about New York City's community districts.

Includes:
Data From Census 2000, 2010
2005-2009 American Community Survey
City Generated Reports and Presentations
Population Projections
Historical Data