Randolph is a city in Dakota County, Minnesota, United States. The population was 436 at the 2010 census. According to the United States Census Bureau, the city has a total area of 1.03 square miles, of which, 0.96 square miles is land and 0.07 square miles is water. State Highway 56 serves as a main route in the community. U.S. Highway 52 and State Highway 19 are in close proximity to the city.

The Randolph water tower is a major point of presence for NorthfieldWiFi. The tower ideally sits in a location in which it can be seen by many other communities in the area. This allows NorthfieldWiFi to be able to offer its high speed broadband internet services not only to residents in Randolph, but other communities such as Cannon Falls, Stanton and Hampton.