Populations.com

Demographic Projections
2008 / 2013 U.S. demographic projections down to the Block Level
www.geolytics.com/

The Vilcek Foundation
Honors foreign-born scholars and artists living in the U.S.
www.vilcek.org/

Census
Everything to do with Census items.
yahoo.com/

Web Demographics
Get The Data You Need Faster With The Redesigned Google Analytics
www.google.com/analytics/

Census Records Search
Locate Census Records by US City, County or State. Instant Access.
www.freerecordsregistry.com/