sentences:  As its population was only 73,143 in 2000, that makes it one of the fastest growing counties in the state, at a nominal growth rate of about 47% in ten years, with much of the growth centered in the eastern section of the county, the suburbs of Wilmington such as Leland, Belville and Southport.With a 2019 estimated population of 142,820 the county is the 4th fastest growing in the country.The county seat is Bolivia, which at a population of around 150 people is among the least populous county seats in the state.