To find data at the borough (county) level:

American FactFinder The American FactFinder provides access to data and maps from Census 2000 and Census 1990.

Map Viewing Guide: These instructions will guide you through using the American Fact Finder's map viewing tool to see census tract boundaries

Census Query Guide: These instructions will guide you through the process of querying community specific data from the census.

Kidscount Database For child-related data, the Kidscount Database on the Annie E. Casey Foundation's website allows you find data, create profiles, and obtain profiles at the borough (county), city and congressional district level.

Infoshare Online The Infoshare website allows users to access an abundance of NYC data (census, housing, education, crime, health, commerce, etc.) by many geographical definitions, including borough. Registration required. Fees required after introductory period.

View these data and maps Professor Bosworth at the Bronx Data Center at Lehman College has posted data and maps comparing the Bronx to other counties throughout the nation.