This is the official City of Houston GIS Open Data ArcGIS Website. We are focus to share with developers, agencies, communities and the public who have an interest in the geographic information system (GIS) data that can be used in their applications. The City’s datasets are constantly updated to assure that the data are of the highest quality and as current as possible. This results from cooperation between the departments responsible for each dataset, and developing processes for regular updating each dataset. Questions can be directed to our GIS Helpline 832 393 6555. For technical questions, please contact: mycityhelpdesk@houstontx.gov - The Enterprise GIS Team.

Please visit our:

My City Datasets Libraries


We have over 100 Datasets in our Open Data ArcGIS site. These datasets can be downloaded for your projects. Below are a few of our catagories. Check it out!
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  • Neighborhood Services
  • Government Boundaries
  • Recent Crimes
  • Flood Hazards
  • Permits
  • Transportation
  • Demographics
  • Cadastral
  • and more.

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Census Demographics

City of Houston Census Demographics for 2010. Educational Attainment by Census Block Group (2010).

City of Houston uses information from the U.S. Census Bureau along with other agencies to develop demographic data and estimates for the City as well as City Council Districts and City Super Neighborhoods. Demographic data includes, but is not limited to: population, housing, household, income and other social characteristics.
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COHGIS data is prepared and made available for general reference purposes only and should not be used, or relied upon for specific applications, without independent verification. The City of Houston neither represents, nor warrants COHGIS data accuracy, or completeness, nor will the City of Houston accept liability of any kind in conjunction with its use.