DES MOINES, Iowa (AP) — Iowa’s unemployment rate remained at 2.5% in September. Iowa Workforce Development reported Friday that the rate didn’t change from August, as the number of people with and without jobs both increased. An estimated 1.69 million residents were employed in September, and 44,200 were unemployed. Iowa’s unemployment rate was tied for the second lowest in the country, along with New Hampshire and North Dakota. Vermont has the lowest rate, at 2.2%.