Interactive New York times 2010 Census Map:

The New York Times 2010 Census Map is amazing and extremely interesting. They highlight the fastest growing counties by color and if you put the browser over the county it give you the population growth for each ethnic group. Looking for census data down to the census tract? Head over to the New York Times' interactive map and enter your street address. To view maps based on changes in vacant housing units, population density, or other sets of data, select an option from the pulldown menu on the left.

Warning - you can spend a lot of time exploring the 2010 Census Results!

Mapping the 2010 U.S. Census

Browse population growth and decline, changes in racial and ethnic concentrations and patterns of housing development