The statewide, 2016, 3 inch aerial imagery is now available on the CT ECO website!
Different universities, non-profits, and volunteers are attempting to relocate federal data sources… See some examples at Adaptation Clearinghouse and elsewhere. https://www.wired.com/2017/02/diehard-coders-just-saved-nasas-earth-science-data/
An interactive map to visualize changes in eight census data sets between the 1990 Census, 2000 Census, and 2012 ACS Survey. The data sets: Total population; Percent 65 and older; Foreign-born population percentage; Percent of the population with a high school degree or higher; Percent with a bachelor’s degree or higher; Labor force participation rate; … Read moreUS Census Interactive Mapping Tool
High resolution, contemporary data on human population distributions: http://www.worldpop.org.uk/