by 1833, dublin contained several mills and only one store. in 1970, dublin was still a small town with only 681 residents. however, the construction of interstate 270 facilitated a population boom, spearheaded by the acquisition of major corporate headquarters such as ashland inc and wendy's international. in addition, the growth of the muirfield village golf club and its residential subdivision attracted numerous affluent citizens to the rapidly growing suburb. dublin was officially declared a city in 1987, after reaching a population of 5,000 residents.