Mayor Vincent C. Gray

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Office of the Chief Technology Officer

Office Hours
Monday through Friday, 8:30 am - 5:30 pm

How to Reach Us
200 I Street, SE
5th Floor
Washington, DC 20003

Phone: (202) 727-2277
Fax: (202) 727-6857
TTY: 711

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Rob Mancini
Chief Technology Officer

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June 24, 2008

Geospatial Data Published in June of 2008 

OCTO works to keep geospatial data current and introduces new and valuable GIS layers to the District government and public.

Story at a Glance 

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Learn about the most recent GIS data updates to the District's comprehensive geospatial database.

The DC GIS program operates a data maintenance and enhancement program to keep data current and introduce new and valuable GIS layers to the District government and public. The most recent data additions and updates to the DC GIS data services are:

  • Hospital
  • Owner Points
  • Polling Places
  • Sale Points
  • Street Centerlines
  • Voting Precincts - 2008
  • Scanned Historical Maps (rasters)
    • Ellicott DC Plan
    • Good DC Plan
    • Hawkins Topography
    • Historic Sewer Survey
    • Historic Shaded Relief
    • Historic View of DC
    • Hopkins DC Survey
    • Islington DC Plan
    • Jattnig DC Plan
    • Johnson and Ward DC Survey
    • Keily Survey
    • Kroe DC Plan
    • Latrobe DC Survey
    • LEnfant DC Plan
    • Thackara Vallance DC Plan

For District government, the data is available in the DC GIS Central geodatabase, accessible through Citrix on the DC GIS tool bar.

For the public, the data is accessible through the DC GIS Data Clearinghouse/Catalog search engine. Enter a keyword or layer name into the search field to return metadata and download options. Download options are available for both ESRI and Google formats. DC GIS data can also filtered by layer theme for grouped results.  The advanced search allows for specialized searching. 

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