Iowa's seasonally adjusted unemployment rate remained at 4.6 percent in June, which was  down from 5.3 percent a year earlier, according to Iowa Workforce Development's monthly statistics. "The Iowa economy posted solid job gains in June, which helped to accelerate job growth for the first half of the year," said Teresa Wahlert, director of Iowa Workforce Development. "Over the past few months, hiring has occurred in a wider range of industries."