Tabular Data Sources

Documentation for the digital sources of NHGIS tabular data:


Historical Censuses (1790-1960)

1790-1970

1790-2002

1850-1859

1910

1920


1920-1936


1930

1940

1950

1960

 

Modern Censuses: Core Summary Files

1970

1980

1990

2000

2010

 

Modern Censuses: Special & Supplemental Files

1980


1990

 

County Business Patterns

1974-1987

1988-1997

1998-2003

  

 American Community Survey