A system and a method that determine movement of one or more individuals or populations of individuals are provided. A residential zip code of an individual is determined. Long-term movements are identified. Short-term movements are identified. The long-term and short-term movements are classified. Anonymization removes personally identifying information of the individual. The short-term movements and long-term movements are aggregated by creating source-target zip code pairs. A population movement database is generated. The population movement database is accessible by a user device that has credentials allowing access.