Iowa is home to more than 3 million residents, making it the 30th most populous of the 50 United States. Iowa ranks 27th in total area (56,273.00 square miles) and 27th in population density (54.62 people per square mile). The median age of its residents is 38 years, with 76.8% of the population 18 year and over.
According to Homefacts' records there are currently 6,114 criminal and sex offenders in Iowa (approximately 19.89 offenders per 10,000 people). The unemployment rate in Iowa is 3.3% .