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Census 2020 Block
The 2020 decennial census blocks within Fairfax County. This data was acquired from the US Census Bureau, with fields slightly customized by Fairfax County Department of... -
Census 2010 Designated Places
The census designated places within Fairfax County. This data was acquired from the US Census Bureau. -
Census 2020 Blockgroup
The 2020 decennial census block groups within Fairfax County. This data was acquired from the US Census Bureau, with fields slightly customized by Fairfax County Department of... -
County Trails
Park Authority maintained trails within Fairfax County. -
Forecast Population
30-year population forecasts at a parcel level within Fairfax County developed on the VALID_TO date in the attribute table. For methodology and a data dictionary please view the... -
Police Stations
The locations of the police stations within Fairfax County. -
Data Inventory
List and description of datasets available on Open Data for Fairfax County, Virginia -
Polling Places
Voting locations for precincts within Fairfax County. Some features are the voting locations for 2 precincts and are identified in the attributes by having a value in the... -
Potential Asbestos Containing Soils
Potential asbestos containing soils in Fairfax County. These soils are mapped over naturally asbestos-containing bedrock. Safety precautions must be taken during construction.... -
Current Households
Current households at a parcel level within Fairfax County as of the VALID_TO date in the attribute table. For methodology and a data dictionary please view the IPLS data... -
Tax Administration's Real Estate - Legal Data
This table contains the legal description information including legal address (site address), deeded land area, and tax district for properties within Fairfax County. There is a... -
Supervisor Offices
Locations of the Supervisor District offices within Fairfax County. -
Non-County Trails
Trails within and around Fairfax County that are not maintained by Fairfax County. Contributors include: the National Park Service, Town of Herndon, Reston Association, City of... -
High School Attendance Areas
Attendance areas for each high school in Fairfax County. -
Soils - 2011
This data set is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperative Soil Survey. The information was... -
Previously Mapped Marine Clay
These areas were mapped as marine clays in previous surveys. Marine clays are high shrink-swell soils that can cause foundation distress. They are sometimes referred to as... -
Historic Sites
Locations of historic sites within Fairfax County.