 Pulaski County was home to Willow Springs Water Park, one of the oldest water parks in the nation, which opened in 1928 and closed in 2013.According to the U.S. Census Bureau, the county has a total area of , of which is land and (5.9%) is water.As of the 2000 United States Census, there were 361,474 people, 147,942 households, and 95,718 families residing in the county.