{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "", "description": "A congressional district is an electoral constituency that elects a single member of a congress. A congressional district is based on population, which in the United States is determined by taking a census every ten years.", "summary": "", "title": "Congressional Districts", "tags": [ "United States", "legislative", "boundaries" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": "NaN", "maxScale": "NaN", "spatialReference": "", "accessInformation": "USGS National Atlas", "licenseInfo": "", "portalUrl": "" }