Historical statistics

IPUMS NHGIS

Contains aggregate census data and GIS files for the U.S. from 1790 to the present. Topics include general population characteristics, economic indicators, buildings, agriculture, and social environment indicators.

CANSIM via CHASS

The CANSIM archive hosted by CHASS at the University of Toronto provides access to Statistics Canada's various socioeconomic time-series data products, accessible through a multidimensional interface. Historical versions of the CANSIM database are also available through this link.