Historical, Demographic, Economic, and Social Data: The United States, 1790-2000
Census (County and State)
Sources: U.S. Bureau of the Census. Fourth Decennial Census of the United States, 1820.
Census for 1820. (Wash., D.C.: Printed by Gales & Seaton, 1821).
U.S. Bureau of the Census. Original Worksheets of the Urban Population Prepared for the 1930 Federal Census. (n.d.).
Variables 4, 7-39: U.S. Bureau of the Census , Table 1.
Variables 5-6: U.S. Bureau of the Census [n.d.].
Variables 40-54: Calculated from other variables.