GIS Data: United States

General Sources of Data

• Government Data
• The National Map

Census Data

• United States Census Bureau
• Atlas of Historic Boundaries
• U.S. Congressional District Shapefiles

National Park Service

• National Park Service GIS and Mapping

Public Health

• Centers for Disease Control and Prevention
• County Health Rankings
• Dartmouth Atlas Project

Transportation

• U.S. Department of Transportation

Environment

• NOAA's Digital Coast
• The National Gap Analysis Program at the USGS
• The National Geologic Map Database at the USGS
• National Hydrography at the USGS
• United States Fish and Wildlife Service
• USDA Forest Service

Crime and Law Enforcement

• Uniform Crime Report at the FBI
• Crime Statistics at Data.gov
• National Archive of Criminal Justice Data at the University of Michigan