The structure's foundation walls were among the oldest stone structures in Dodgeville, dating from the 1840s.
In the 1940s the lower level of the opera house was the first location of the Iowa County Dairy Cooperative, before the coop built a structure near the intersection of Hwy.
The Opera House was built in the early stages of Dodgeville's development.
It was demolished during the 1990s to build a convenience store at the intersections of Highway 23--Bequette, North and Spring Streets.
The population density was 1,178.5 people per square mile (455.1/km²).
There were 1,831 housing units at an average density of 511.3 per square mile (197.5/km²).
The Jones family mansion is located on North Main Street across from Plymouth UCC and the Owens family mansion is located on South Iowa Street near the intersection with Valley Street. Hispanic or Latino of any race were 1.8% of the population.