GIS Data

​​The Maryland State Data & Analysis Center curates and shares geographic datasets that support spatial analysis, mapping, and decision-making across a variety of topics. These GIS data products are available for download and may include boundaries, thematic layers, and tabular data joined to geographic features.​ GIS data shared on this page are intended for use by planners, analysts, researchers, and the general public. Please review the information associated with each dataset for details on data sources, update frequency, and licensing.​​

In addition to the mapping resources here, we recommend using the MD iMAP Portal, where you can find a variety of spatial data for the State of Maryland.


Census Boundary Files (TIGER 2020)

Note: These files are land area only and do not include water area. if you want the full tiger files including water blocks, download them from Census Bureau web site​. The projected coordinate system is NAD83_StatPlane_Maryland_FIP_1900 meters.​

Boundary Maps (Census 2020)


Population Density​ (Census 2020)


MD iMAP Portal

Click here to​ visit the MD iMAP Portal.

​The State Data & Analysis Center recommends using the MD iMAP Portal platform as a primary resource for GIS data relevant to the State of Maryland. MD iMAP is Maryland's Enterprise Geographic Information System (GIS). This platform includes a robust and reliable core infrastructure, access to GIS software, and delivery of authoritative data and services to support the GIS community.

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