KRPD was established by the General Assembly of Illinois in 1965. It is a unit of government focused on economic development and wealth creation in Monroe, Randolph, and the southeastern 2/3 of St. Clair County. The statute that governs the activities of the Port is 70 ILCS 1830/1
The Port is governed by a 15-member board. All members are appointed by the Governor.
The Port District's headquarters is located at 336 N. Main St. Red Bud, IL.