Niceville Resides in Okaloosa County, Florida. The major draw to this town is now close it is located to Eglin Air Force Base. Originally, it was named Boggy Bayou, but the name was changed to Niceville in order to attract traffic and tourists. The population of niceville florida is estimated to be around 12.6 thousand according to growth addition to the 2000 census. The town has 3 Elementary schools, 2 middle schools, 2 high schools, and a college, namely Northwest Florida State College, where students can even attend classes while still in high school for extra credits through their collegiate program. Perhaps Niceville florida is mostly famous for their annual Boggy Bayou Mullet Festival. Great food and music from all around can be found here at this event. Niceville is a grand total of 1034 square miles, including its many canals.