Statistics & Data: Spatial Data

Centralized repository of spatial data layers for use by USC faculty, staff, and students. The interface allows users to search, preview, map, and download geospatial data including contours, land use, parcel data, and select census data for Los Angeles. For more details including complete data holdings, see the USC Spatial Sciences Institute (link below).

For more details on the USC GeoPortal.

Data generated by the federal government.

"Provides maps and data for ArcGIS users and the capability to find and share geographic information. The free ArcGIS Online Web application makes it easy to find content published by ESRI, ArcGIS users, and other authoritative data providers as well as upload and share content of your own."

Use the "Map Maker" to create a map online with the map layers or download the raw data for your own analysis. Map layers include agriculture, biology, boundaries, climate, environment, geology, history, people, transportation and water.

Provides, free of charge, aggregate census data and GIS-compatible boundary files for the United States 1790 to present.

Provide access to spatial data as well as an Interactive Atlas and a list of existing maps that are available from SCAG publications or have been created for other planning activities.

The Cal-Atlas site facilitates the coordinated and sustainable development, maintenance, licensing and sharing of geospatial data and web map services by California government agencies, partners and stakeholders.

Library research guide for spatial data and related resources.