American FactFinder
http://factfinder.census.gov/home/saff/
main.html?_lang=en

Census Bureau PopClocks
(U.S. & World)
http://www.census.gov/main/
www/popclock.html

World Population Information
http://www.census.gov/ipc/www/idb/

U. S. and State Population Projections
http://www.census.gov/population/
www/projections/popproj.html

South Carolina - Population Statistics
http://www.sciway.net/statistics/population.html

The Population Reference Bureau
http://www.prb.org

Population and Demography Information
http://athens.pop.psu.edu/allen/LinksByCat.
cfm?SubjectID=6