Jupiter is a beautiful town located in Palm Beach County, Florida. As of the 2000 census, the town had a total population of 39,328. As of 2006, the city had a population of 50,028 according to the University of Florida, Bureau of Economic and Business Research. Jupiter apartments for rent comparison page shows most up to date rent information on Jupiter apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.