U.S. Statistics in Brief - Part 1

http://www.census.gov:80/statab/USAbrief/part1.txt
For years 1980, 1990, and 1994. Basic statistics on: population; households; birth, death, fertility rates; violent crimes; education; transportation; etc.

U.S. Statistics in Brief - Part 2

http://www.census.gov:80/statab/USAbrief/part2.txt
For years 1990, 1993, 1994. Basic statistics on: health, social welfare, budget outlays; employment, unemployment; GDP; income; consumer price index; energy; agriculture; business; finance, interest rates; etc.

U.S. Census Bureau: The Official Statistics

http://www.census.gov/
Data from U.S. population and economic censuses. Searchable by keyword(s), place name, map location. Links to current "population clock."

Statistical Abstract of the United States

http://www.census.gov:80/stat_abstract/
Wide variety of topics included. Organizes data by state, county, congressional district. Some data as current as 1996. Note list of frequently requested tables.

Consumer Price Indexes

http://www.bls.gov/cpi/
The CPI represents changes in prices of all goods and services. Price indexes are available for the U.S., the four Census regions, cities, regions, and local areas.

U.S. Census International Database

http://www.census.gov/ftp/pub/ipc/www/idbnew.html
Select economic, demographic, geographic variables and year or range of years to be covered.

U.S. Department of Labor

http://www.bls.gov/
Bureau of Labor Statistics.

United Nations InfoNation

http://www.cyberschoolbus.un.org/infonation/index.asp/
Select up to seven of 185 countries and four of 37 variables (social, demographic, economic, geographic). Results for latest year only.