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Maryland municipal boundaries, simplified

Simplified municipal boundaries supplied by Maryland. Suitable for overview maps. Use the detailed source for local boundary work.

State of Maryland; Maryland Department of Transportation, MDOT, Maryland Department of Transportation State Highway Administration, MDOT SHA, Department of Information Technology, DoIT, Maryland iMap, MDiMAP,

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The table shows up to eight fields. The download keeps all fields and the original geometry.

About this dataset

  • Simplified municipal boundaries supplied by Maryland. Suitable for overview maps. Use the detailed source for local boundary work.
  • Snapshot prepared on 2026-10-10. The source observation dates may be earlier. This is not a live service.
  • All 162 records from the selected source layer are retained. Count and object IDs were checked. Original source fields are retained; a display name is copied where available.
  • Coordinates were transformed by the source service to WGS84. Altitude and measure values are omitted. No local simplification was applied.
  • Source metadata: https://drawonamap.com/library/sources/government-content-2026-10/gov-5115c7097588/metadata.json
  • Preserve the original source metadata entry without changes.
  • Acknowledge the State of Maryland in derived-data metadata.
  • Distribute the unchanged original source XML metadata with the derived data.
  • 24 source geometries had crossing rings. Shapely make_valid split those rings without a material change to polygon area. All records and fields were retained. Repair details are included with the source metadata.

Source and licence

MD iMAP

Licence: Maryland data redistribution terms

GeoJSON download details

The download includes all 162 features as area groups, areas. Coordinates use longitude and latitude in WGS84.

The preparation date is when we prepared this dataset. Read the source notes for the dates covered by the data.

GeoJSON fields 6
OBJECTID
GIS Object ID
JURSCODE
Jurisdiction Code
MUN_NAME
Municipality Name
Shape__Area
GIS Shape Area (m)
Shape__Length
GIS Shape Length (m)
name
Display name copied from the source.