Simple Territory Mapper Plugin is a plugin extension for our Simple GIS Client desktop GIS application. Simple Territory Mapper plugin extends the functionality of the Simple GIS Client application allowing users to easily create and assign territories based on zip codes, school districts, county boundaries, or state boundaries. Users can easily append data from their own spreadsheets or external tables and append demographic data from the US Census Bureau. Simple Territory Mapper also provides easy tools to help the user manage their territories, providing visual graphs to help the user balance their territories.