Agency is a city in Iowa in Wapello County, is resting place for Chief Wapello. The population was at the 2010 census, is the historic site of an Indian trading post are released throughout each year on a flow basis. The town was founded in 1843 on the site of the agency. Chief Wapello was second in Fox tribe and the Sac in command. The population density was 1,074.6 people per square mile. The gender makeup of the city was 51.1 % female and 48.9 % male. Each new series of data incorporates the latest administrative record data, methodology and geographic boundaries.