Geographic Information Systems (GIS)

What Is GIS?

A Geographic Information System (GIS) is an automated mapping system that uses computers to help map and analyze data that exist on the earth according to their geographic location. With a GIS, you can capture spatial information and store it, integrate it, manipulate it, analyze it and display it. This spatial information is able to help the user make decisions and help resolve issues before "real time" events begins.


The Office of Information Technology’s GIS division (OIT-GIS) is an internal service group providing leading edge GIS technology to Prince George’s County agencies. We develop the highest quality GIS data, maps, and GIS applications to enhance their day to day business activities. Our Map Depot provides a resource of County information through GIS web applications and digital maps to its citizens and the public.

OIT-GIS is responsible for maintaining the County Enterprise Geodatabase, a GIS data repository containing over 700 layers of County GIS data and imagery compiled from county, municipal, state, and federal agencies. We provide support to the Public Safety and Homeland Security agencies with GIS technology and assistance during emergency operations.

GIS Data & Planning Information

The Maryland National Capital Park and Planning Commission’s (M-NCPPC) Information Management Division for Prince George’s County provides all GIS related data and maps to the public for Prince George’s County.

Purchase Digital Data & Paper Maps

The  (M-NCPPC) Information Management Division has available GIS Digital data or paper maps of Prince George's County to purchase. You can also find information regarding available data and planning and zoning terms and categories.