The standard source for quantitative facts of American history containing thirty years of data and scholarship. Topics range from migration and health to crime and the Confederate States of America. Each topic is placed in historical context by a recognized expert in the field.
Covers the years 1944-1977, 1983, and 1988, and consist of several datasets that include economic, demographic, governmental, and electoral data for diverse areas such as regions, counties, individual states, and cities
"The National Historical Geographic Information System (NHGIS) provides easy access to summary tables and time series of population, housing, agriculture, and economic data, along with GIS-compatible boundary files, for years from 1790 through the present and for all levels of U.S. census geography, including states, counties, tracts, and blocks."
