Sarasota, together with its neighbors to the north and south, Manatee County and Charlotte County, form the 7th-largest market in Florida. It is also Florida's third-fastest growing major market. With over 600,000 people, the Sarasota/Manatee/Charlotte area is one of the largest, most affluent markets in Florida. In the last 5 years, it has grown 4 times faster than the national average. The per capita retail sales are almost 20% above the national average. It has a strong base of retirement age people, about a third of the population, but the fastest-growing segment of the market is middle-aged adults and their children. It has approximately 1/4 the population of the Tampa/St. Petersburg area.