Best time to Buy an Oversized Corner Lot .70 Acres in North Port-Sarasota, the fastest growing U.S. city in the country, according to data released by the business and employment website LinkedIn. Located in Southwest Florida, North Port-Sarasota grew by 107 people per 10,000 LinkedIn members over the last 12 months. A city with a younger population and more affordable housing. North Port is expected to have the strongest growth in Sarasota County by 2050 Other factors that contribute to Sarasota County's growth include: A low unemployment rate, High-quality healthcare and educational facilities, A thriving business scene, A strong community spirit, and Recreational and cultural events.