|| Access to current and historical census data and demographic information. Including over 40 billion data elements, 200,000 variables and more than 18,000 interactive maps from 1790 to 2010. The entire US Census from 1790 to 2010. All annual updates from the American Community Survey (from 2005 to 2010). All annual updates from the American Community Survey. InfoGroup data on religious congregations for the United States for 2009, including maps for counties, and special census areas, as well as point maps of the actual congregation locations (to be updated yearly). The Religious Congregations and Membership Study (RCMS) from 1980 to 2000. (To be updated in 2012.) Carbon Emissions Data for 2002 from the Vulcan t.