Maryland Municipal Boundaries With Annexation Records

Municipal boundaries and annexation records for the state of Maryland, maintained by the Maryland Department of Planning. The dataset includes fields for municipality name, annexation date, resolution number, and classification within Priority Funding Areas. It is provided in multiple formats including CSV, JSON, XML, and RDF.

Use Cases

• Tracking municipal annexation history using the ANNEXATION_DATE and RESOLUTION_NUMBER fields.
• Analyzing land area changes for municipalities via the GIS-calculated ACRES column.
• Identifying municipalities within Priority Funding Areas for state development policy using the MUN_CODE field.
• Mapping jurisdictional boundaries across Maryland's 24 counties using the JURSCODE field.

Strengths

• Includes detailed annexation history with specific dates and resolution numbers.
• Covers all 24 Maryland counties as indicated by the JURSCODE field values.
• Maintained by the authoritative Maryland Department of Planning.

Limitations

• Key metadata such as row count, file size, and license are unknown across all sources.
• The date 1/1/1997 is used as a default annexation date, which may not reflect the actual historical event.
• The dataset explicitly states boundaries are not intended to serve as a legal description.

Provenance

Source

Maryland Department of Planning

Collection Method

Created and maintained by the Maryland Department of Planning, mapping annexations from municipalities.

Time Range

Annexations from at least 1997 onward, with some historical boundaries predating that date.

Freshness

2026-04-05

Geography

State of Maryland, USA