{ "serviceDescription": "Estimates population counts (persons, 2005) within provided polygon features. The service has a limit of 500 features. Uses Gridded Population of the World, version 3, population estimates, land areas (square km), and mean administrative unit area (square km) to generate a table containing the population estimate(s) and summary statistics. See the help for definitions of the fields in the output table.", "tasks": [ "PopStatsFeatures", "PopStats" ], "executionType": "esriExecutionTypeAsynchronous", "resultMapServerName": "" }