USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, …

Turbo-charge your search for free GIS data with this list of 10 free, downloadable global GIS datasets from highly reputable sources - vector and raster.

GIS connects data to a map, integrating location data (where things are) with all types of descriptive information (what things are like there). This provides a foundation for mapping and …

Jan 14, 2024 · In the realm of Geographic Information Systems (GIS), the foundation of spatial data management lies within GIS databases. These databases serve as the backbone for …

U.S. federal agencies have excelled at creating and managing critical geospatial data to meet their own needs. For years, the public and private sectors have accessed these free and open …

Jul 1, 2025 · This page contains a categorised list of links to over 500 sites providing freely available geographic datasets - all ready for loading into a Geographic Information System.

Jan 8, 2025 · From managing massive geospatial datasets to ensuring real-time query efficiency, the database you pick can define the outcome of your work. Let’s explore the top 5 spatial …

Jun 14, 2023 · Explore the best geospatial databases for accurate and efficient spatial data management. Find the perfect solution for your needs.

Oct 15, 2025 · Here you will find data, tools, and resources to conduct research, develop web and mobile applications, design data visualizations, and more. This set of data includes many …

Nov 3, 2022 · Use The National Map Viewer to explore GIS data, see availability of USGS topographic maps, and create your own web map.