Montgomery County, MD22 political units, such as a city, town, or village, incorporated for local self-government12/17/18: Kensignton Annexation Resolution No. AR-01-2018ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/0dbc0973af1a48d296ecb5c0cfbaa92c_0engMontgomery County GIS Open DataPublicUnincorporated areas [Maryland--Montgomery County]Web servicesMaryland--Montgomery CountyMarylandLast Modified: 2025-09-30