The great Seminole chief Osceola
Statistical Abstract of the United States. Available at the reference desk and online; this is the best place to start when looking for statistics.
Historical Statistics of the United States: Colonial Times to 1970 Ref HA202.H57 (At the Reference Desk.) This source is useful if you are looking for statistics prior to 1970. It is the historical supplement to the Statistical Abstract of the United States.
Statistical Handbook on the American Family
A compilation of statistics on American families across a broad range of topics including demographics, economics, living arrangements, quality of marriage and family life and children.
Household Spending: Who Spends How Much on What Ref HC110.C6.A666. Reports on household spending on a range of categories, such as apparel, entertainment, food, health care, housing, education and more.
Statistical Resources on the Web "Meta-index to statistical web sites and individual statistical publications arranged by broad subject category from the University of Michigan Documents Center." Subjects covered include: agriculture; business and industry; consumer; cost of living; demographics; economics; education; energy; environment; finance and currency; foreign economics; foreign governments; foreign trade; U.S. government finances; health; housing; labor; military; politics; science; sociology; transportation; weather.