Fairfax County Government1996GISMGR.POLITICAL_JURISDICTIONSvector digital dataFairfax County, Virginia. USAFairfax County GovernmentwithheldGISMGR.POLITICAL_JURISDICTIONSGeographic boundary, portraying extent and limits of land 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).To cartographically depict the jurisdictional limits within and around Fairfax County.
Boundary is relatively static, with only minor annexation adjustments over the last 40 years.
There is not one number for the size of the county that should be used in all cases. Which number should be used depends on the purpose. Water is not included in density calculations (not by Census and not by us). Thus when reporting population density or other density figures, the associated land area should be used (i.e. 395 square miles). When the total land and water area is desired, I would suggest using the 406.8 square miles calculated by GIS. GIS uses a more precise geographical system than the Census Bureau and GIS has the ability to update this figure as intercensal changes occur. In most public documents land area is the figure most quoted because it is tied to population density but that does not mean that it should be the only one used. When numbers are quoted for square miles they should be properly annotated:
395 square miles (land area)
406.8 square miles (land and water area)
In addition, you will find other figures appearing in Demographic Reports documents. These figures are based on real estate parcel information and include only zoned and developable land (water, roads and other nondevelopable land are not included).
This information comes from the U.S. Census. In determining these "official" numbers, the following sources have been contacted:
- State's Commission on Local Government
- Weldon Cooper's Center
- Northern Virginia Regional Commission
- Virginia Geographic Information Network
- Virginia Department of Transportation
en2000publication dateAs needed-77.965783-76.65386539.35988538.49255739.0804078-77.5453300838.61389198-77.5453300838.61389198-77.5453300839.0804078-77.0340806539.0804078-77.5453300811635787.24050012005010.7272506867615.4112507178766.359000Fairfax County, Virginia, USAJurisdictionBoundaryNoneNot for use at scales greater then 1:=24000. Acknowledgement of the Fairfax County GIS branch would be appreciated in products derived from these data.Fairfax County GIS and Mapping ServicesDatabase Administratormailing and physical address
12000 Government Center Pw. Suite 117
FairfaxVA22035USA(703)-324-2712711(703)-324-3937gis.helpq@fairfaxcounty.govMonday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)The shared efforts of the USGS, NGS and Fairfax County DPW&ES/Surveys branch for verification and upkeep of the actual ground monuments, Fairfax County GIS staff and contractors for portrayal and review of the data.ESRI ArcCatalog 9.3.1.1850Feature ClassBoundaries are derived from a combination of ground monumentation and legal documents (Charters, grants, etc.). Their positional portrayal is considered accurate in relation to known features.Polygon topology exists.Data is 100% complete. Accuracy confidence level for this layer is in excess of 98%.Horizontal positional accuracy for the digital data is tested by visual comparison of the source with hard copy plots.Property mylarsPolitical jurisdiction boundaries.200Fairfax County political jurisdiction layerSelected lines from property mylars that make up the political jurisdictions within Fairfax County. Put these lines into the political jurisdiction coverage. Built coverage for polygon topology. Loaded data into SDE.withheld2000withheldFairfax County GIS and Mapping ServicesDatabase Administratormailing and physical address
12000 Government Center Pw. Suite 117
FairfaxVA22035USA(703)-324-2712711(703)-324-3937gis.helpq@fairfaxcounty.govMonday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)Metadata imported.withheld20070328Fairfax County political jurisdictionsVectorSimpleFALSE28TRUEFALSEcoordinate pair0.0002500.000250survey feetNorth American Datum of 1983Geodetic Reference System 806378137.000000298.257222GCS_North_American_1983NAD_1983_StatePlane_Virginia_North_FIPS_4501_FeetNational Geodetic Vertical Datum of 19290.250000feetExplicit elevation coordinate included with horizontal coordinatesGISMGR.POLITICAL_JURISDICTIONSPolygon Attribute tableFeature Class28OBJECTIDInternal feature number.ESRISequential unique whole numbers that are automatically generated.OBJECTIDOID4100TYPETYPEString2000Type of jurisdictionFairfax CountyNAMEName of jurisdictionFairfax CountyName of CountyNAMEString7500SHAPEFeature geometry.ESRICoordinates defining the features.ShapeGeometry400CAD_MUNCAD_MUNString400CAD_AREACAD_AREAString400CREATED_USERCREATED_USERString25500CREATED_DATECREATED_DATEDate3600LAST_EDITED_USERLAST_EDITED_USERString25500LAST_EDITED_DATELAST_EDITED_DATEDate3600INFAIRFAXINFAIRFAXString100SHAPE.AREAArea of feature in square feetESRISHAPE.AREADouble000SHAPE.LENPerimeter of featureESRISHAPE.LENDouble000GISMGR.COUNTY_BORDER_LINElinesFairfax County border contains polygon topology. There are no attributes beyond standard ArcInfo.Fairfax County GIS and Mapping ServicesCustomer Servicesmailing and physical address
12000 Government Center Pw. Suite 117
FairfaxVA22035USA(703)-324-2712711(703)-324-3937gis.helpq@fairfaxcounty.govMonday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)Downloadable DataUser must assume responsibility to determine the usability of this data for their purpose. A signed copy of the license agreement must be on file with the Fairfax County GIS and Mapping Services Office.ESRI Personal Geodatabase9.1No compressionESRI Shapefile9.1no compression appliedCD-ROMWall Map Data. This data set includes over 30 layers of attributed vector map data that were derived primarily from the Fairfax County 1"= 2000' and 1"= 4000' Wall Map Series. The GIS Wall Map CD in Coverage format sells for $25. The GIS Wall Map CD in Shapefile format sells for $25. A hard copy of our *wall maps are available at the Fairfax County Government Publications Center located at the Fairfax County Government Center Building - 12000 Government Center Pw.- Fairfax - VA. - Suite 156 - Phone # 703-324-2974 or 703-324-2975. Prices range from $1.50 to $15.00.* Some of our hard copy maps are not for sale to the public or may be out of stock. Contact the Fairfax County Publication Center on the availabilty of which maps can be purchased.CD data can be requested by mail, fax, or in person. Orders will not be processed until payment is received. Acceptable forms of payment include: cash, check, or money order ( credit cards are not accepted). The order form and license agreement can be downloaded/printed from the Fairfax County GIS Web page (http://www.fairfaxcounty.gov/maps/forms.htm) and sent to GIS and Mapping Services-12000 Government Center Pw.-Suite 117-Fairfax-VA-22035-0010. Any questions about the GIS Wall Map CD should be directed to the GIS and Mapping Services @ (703)-324-2712.Five (5) working days.201311132004071420050101Fairfax County GIS and Mapping ServicesREQUIRED: The person responsible for the metadata information.Database Administratormailing and physical address
12000 Government Center Pw. Suite 117
FairfaxVA22035USA(703)-324-2712711(703)-324-3937gis.helpq@fairfaxcounty.govMonday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)FGDC Content Standards for Digital Geospatial MetadataFGDC-STD-001-1998local timehttp://www.esri.com/metadata/esriprof80.htmlESRI Metadata Profileen2026051511013700FALSE20170209103934002017020910393400GISMGR.POLITICAL_JURISDICTIONS00211635787.24050012005559.7737506780243.3372507178766.3590001ProjectedGCS_North_American_1983Linear Unit: Foot_US (0.304801)NAD_1983_StatePlane_Virginia_North_FIPS_4501_Feet<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.1'><WKT>PROJCS["NAD_1983_StatePlane_Virginia_North_FIPS_4501_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",11482916.66666666],PARAMETER["False_Northing",6561666.666666666],PARAMETER["Central_Meridian",-78.5],PARAMETER["Standard_Parallel_1",38.03333333333333],PARAMETER["Standard_Parallel_2",39.2],PARAMETER["Latitude_Of_Origin",37.66666666666666],UNIT["Foot_US",0.3048006096012192],AUTHORITY["EPSG",2283]]</WKT><XOrigin>-110512500</XOrigin><YOrigin>-88858000</YOrigin><XYScale>4000</XYScale><ZOrigin>0</ZOrigin><ZScale>4</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.002</XYTolerance><ZTolerance>2</ZTolerance><MTolerance>2</MTolerance><HighPrecision>true</HighPrecision><WKID>102746</WKID><LatestWKID>2283</LatestWKID></ProjectedCoordinateSystem>200000005000FGDC1.0FGDC CSDGM Metadata Version 6.2 (Build 9200) ; Esri ArcGIS 10.2.2.3552GISMGR.POLITICAL_JURISDICTIONSexternalfd7d1713e557d5fa6197c7736d360bedFairfax County GISGIS Data Administrator12000 Government Center Pkwy Ste 117FairfaxVA22035gis.helpq@fairfaxcounty.govUS703-324-2712http://www.fairfaxcounty.gov/maps/TrueFairfax County GIS11635787.240512005010.727257178766.3596867615.411251-77.965783-76.65386539.35988538.49255711-77.967554-76.65192439.35988538.252652To cartographically depict the jurisdictional limits within and around Fairfax County.<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Geographic boundary, portraying extent and limits of land 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).</SPAN></P></DIV></DIV></DIV>The shared efforts of the USGS, NGS and Fairfax County DPW&ES/Surveys branch for verification and upkeep of the actual ground monuments, Fairfax County GIS staff and contractors for portrayal and review of the data.Fairfax County lineCounty BoundaryPolitical jurisdiction<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Not for use at scales greater then 1:=24000. Acknowledgement of the Fairfax County GIS branch would be appreciated in products derived from these data.</SPAN></P></DIV></DIV></DIV>JurisdictionBoundarydataset002withheldFeature ClassFeature ClassNAD_1983_StatePlane_Virginia_North_FIPS_4501_FeetEPSG8.2.62820170209
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