Census 2000 Data now available.
Data can come from numerous sources and be of many types.
The following list contains some examples. Demographics Population, by density, ethnicity, age, housing. Almost any factor that can be obtained from your own databases or through easily available government data sources can be tied to geographic locations and mapped Locations of Interest Churches, Post Offices, Golf Courses, Schools, Parks, Tourist Attractions, National Parks, Military Bases. Natural features such as rivers, hills, forests, etc. Agricultural factors such as crop types, yields, acreages, and weather.