U.S. Demographic Maps, Census 1790-2010 -- "over 15,000 demographic and socio-economic maps of the United States between 1790 and 2010"
U.S. Religion Maps
- Religion 2009 & 2010 -- "Infogroup provides the most complete and accurate database of churches and religious associated businesses with approximately 350,000 houses of worship."
- Religion 1980-2010 -- "Based on the Religious Congregations and Membership Study (RCMS), this is the most complete census available on religion in the United States."
- Churches by Faith, 1850-1870 -- included in Decennial Census counts