Minnehaha County, created in 1862, is a political subdivision of the State of South Dakota encompassing 810 square miles. Minnehaha County is the largest county in the state in terms of population. The 2010 Census recorded a population of 169,468. The 2015 estimated population is 178,762. Minnehaha County is governed by ten elected officials - 5 part-time Commissioners, an Auditor, a Treasurer, a State's Attorney, Register of Deeds and Sheriff. Daily operations are managed by 19 full-time Department Heads.
