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Fairfax County Boundary

Fairfax County

Updated Oct 8, 2026

About this dataset

Geographic boundary, portraying extent and limits of the jurisdiction recognized as Fairfax County, Commonwealth of Virginia. Defined in part by both physical features (Potomac and Occoquan Rivers), and monumented legal boundaries for surrounding jurisdictions (State of Maryland, Arlington, Loudoun, and Prince William Counties, cities of Alexandria and Falls Church). Contact: Fairfax County Department of Information Technology GIS DivisionData Accessibility: Publicly AvailableUpdate Frequency: As NeededLast Revision Date: 1/1/2000Creation Date: 1/1/2000Feature Dataset Name: GISMGR.ADMINISTRATIVELayer Name: GISMGR.COUNTY_BORDER

Data and resources (11)

Prototype by Datopian · not an official government website · data from data.virginia.gov