{ "currentVersion": 10.71, "serviceDescription": "The American Community Survey (ACS) is a nationwide, continuous survey designed to provide communities with reliable and timely demographic, housing, social and economic data. The ACS replaces the decennial census long form in 2010 and every year thereafter.\n\nThe annual ACS sample is smaller than that of previous long form surveys resulting in a larger sampling error. Coefficients of Variation (CVs), which are statistical measures that show the relative amount of sampling error associated with an estimate, are presented here as a measure of reliability and usability of the data.\n\nThe unit of geography used for the 2008-2012 data is the census tract - a small statistical area within a county, which is delineated every 10 years prior to the decennial census.\n\nPlease note that the web feature service, web map service, and KML service for this data can be found at", "hasVersionedData": false, "hasArchivedData": false, "supportsDisconnectedEditing": false, "supportsQueryDataElements": true, "supportsRelationshipsResource": true, "syncEnabled": false, "supportedQueryFormats": "JSON", "maxRecordCount": 3800, "maxRecordCountFactor": 1, "capabilities": "Query", "description": "", "copyrightText": "MD iMAP, MDP, U.S. Census", "spatialReference": { "wkid": 102100, "latestWkid": 3857 }, "initialExtent": { "xmin": -8869307.848335309, "ymin": 4652792.929312852, "xmax": -8324419.567553655, "ymax": 4923622.244146748, "spatialReference": { "wkid": 102100, "latestWkid": 3857 } }, "fullExtent": { "xmin": -8848524.8337, "ymin": 4567010.418899998, "xmax": -8354430.1568, "ymax": 4825776.0198, "spatialReference": { "wkid": 102100, "latestWkid": 3857 } }, "allowGeometryUpdates": false, "allowTrueCurvesUpdates": false, "onlyAllowTrueCurveUpdatesByTrueCurveClients": false, "supportsApplyEditsWithGlobalIds": false, "supportsTrueCurve": true, "units": "esriMeters", "documentInfo": { "Title": "Maryland Archived 2008 - 2012 American Community Survey (ACS) Data", "Author": "", "Comments": "The American Community Survey (ACS) is a nationwide, continuous survey designed to provide communities with reliable and timely demographic, housing, social and economic data. The ACS replaces the decennial census long form in 2010 and every year thereafter.\n\nThe annual ACS sample is smaller than that of previous long form surveys resulting in a larger sampling error. Coefficients of Variation (CVs), which are statistical measures that show the relative amount of sampling error associated with an estimate, are presented here as a measure of reliability and usability of the data.\n\nThe unit of geography used for the 2008-2012 data is the census tract - a small statistical area within a county, which is delineated every 10 years prior to the decennial census.\n\nPlease note that the web feature service, web map service, and KML service for this data can be found at", "Subject": "Map service contains American Community Survey 2008-2012 data tabulated at the census tract and ZCTA geographies. ", "Category": "", "Keywords": "American Community Survey,ACS,2008,2009,2010,2011,2012,Census Tracts,MDP,Demographics,WFS,WMS,Maryland,MD iMAP,KML,ZCTA,ZIP Code Tabulation Areas" }, "supportsQueryDomains": true, "layers": [ { "id": 0, "name": "Archived ACS Census Tracts - 2008 to 2012", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon" }, { "id": 1, "name": "Archived ACS ZIP Code Tabulation Areas - 2008 to 2012", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon" }, { "id": 2, "name": "Archived ACS Census Tracts - 2009 to 2013", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon" }, { "id": 3, "name": "Archived ACS ZIP Code Tabulation Areas - 2009 to 2013", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon" } ], "tables": [], "relationships": [], "enableZDefaults": false, "allowUpdateWithoutMValues": false, "datumTransformations": [ { "geoTransforms": [ { "wkid": 108001, "latestWkid": 1241, "transformForward": true, "name": "NAD_1927_To_NAD_1983_NADCON" } ] }, { "geoTransforms": [ { "wkid": 108001, "latestWkid": 1241, "transformForward": false, "name": "NAD_1927_To_NAD_1983_NADCON" } ] } ] }