From 1884 to 1968 both the city of Rochelle and Flagg Township used the building for its intended function. The Rochelle City Council chambers were located in the building for the entire period 1884–1968, as were the township meeting room and township board room. Other city and township offices were located in the building during that time span as well, of those the city clerk's, the town clerk's, the township supervisor's and the city manager's office occupied space in the building for the entire period spanning the years 1884–1968. The building also housed a "court room" during that period.