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GIS Services at the Library

Adding data to your map

The power of GIS is all about the DATA. You may be working with some original data you collect, as well as existing datasets collected by governments or other organizations. The sites listed here include some popular sources for mostly social, economic, and environmental data that have a geospatial element. 

Our guide to adding your own data to an ArcGIS Online map can help you work with original data.

Free Local GIS Data (Los Angeles Region)

Claremont ArcMap Layers

The provided layer packages are for use by those familiar with ArcGIS.  Map applications and web maps are viewable in the browser.  We recommend for you to enroll in a GIS course early on during your attendance at the colleges.

Data Guides (California GIS Data)

Data Warehouses & Servers (Statewide)

Data Warehouses & Servers (Regional)

U.S. Census

Data Warehouses & Servers (U.S. GIS Data)

Data Guides (U.S. GIS Data)

Esri provided data

Esri provides GIS layers and can be requested by contacting gissupport@cuc.claremont,edu

World GIS Data

Data Warehouses & Servers (World GIS Data)