Geographic Information Systems (GIS)

Data and shapefiles about the historical size, shape, and location of every county in the United States and District of Columbia.

Geospatial search of BLM data.

US Census Bureau demographic data for the United States, Puerto Rico, and Island areas.

Explore government data and geospatial data focusing on job sectors, economics, and demographics.

Databases, surveys, reports, maps, and statistical reports from the Department of Transportation.

View and download Landsat data from the USGS.

A collection of geospatial files in support of the Geologic Map of North America.

Access authoritative geospatial government data in a mapping and visualization platform.

Find geospatial data sets and mapping tools related to federal public housing.

Geospatial data from the USGS related to land cover, protected areas, species range and distribution, and coastal/inland species habitats.

Free access to summary statistics and GIS boundary files for U.S. censuses and other nationwide surveys from 1790 to present.

Find and download geographic data like digital elevation models (DEMs), hydrography, and National Land Cover dataset from various federal agencies.

Part of IRMA, the National Park Service data store.

View gas transmission lines, hazardous liquid transmission lines, and point data regarding hazardous liquid accidents and incidents. Data is viewable county-by-county.

Links to shapefiles and geospatial data used by the NWS.

Geospatial data and satellite imagery related to coastal resources and management, including land cover, elevation models, resource habitat, and bathymetry.

Find Lidar, remote sensing, raster data, DEMs, topography resources for United States and select areas around the globe.

Spatial climate data sets.

Access national pollution data sets from the EPA.

Boundary shapefiles for historical congressional districts between 1789 and 2012.

Federal, state, and local data from over 70 government sources.

US Census Bureau's spatial features includes roads, rivers, railroads, and demographic boundaries.

A collection of geospatial data layers collected and managed by the USDA Forest Service

The federal government's open data platform.

Explore government data and geospatial data focusing on job sectors, economics, and demographics.

Access authoritative geospatial government data in a mapping and visualization platform.

Federal, state, and local data from over 70 government sources.

A database that contains the location of the world's administrative areas. Administrative areas include countries, counties, departments, etc.

Data sets comparing human interactions with the environment.