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)
- HTML
ArcGIS Hub Dataset
Modified May 8, 2026
- ArcGIS
ArcGIS GeoService
Modified May 8, 2026Map preview available
- CSV
CSV
Modified Oct 8, 2026Table and Data API available
- ZIP
Shapefile
Modified May 8, 2026Map preview available
- GeoJSON
GeoJSON
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- KML
KML
Modified May 8, 2026Map preview available
- ZIP
File Geodatabase
Modified May 8, 2026
- TXT
Feature Collection
Modified May 8, 2026
- XLSX
Excel
Modified Oct 8, 2026Table and Data API available
- GPKG
GeoPackage
Modified May 8, 2026
- GDB
SQLite Geodatabase
Modified May 8, 2026