Joseph H. Bramwell created the Bramwell Bank, known today as the Historic Bank of Bramwell. With the arrival of wealthy investors and creation of several banks, the city of Bramwell soon became the financial center of southern West Virginia. Bramwell's bank is believed to have the largest sum or money compared to the overall population of in the history of the United States. As Bramwell's population rose to four thousand, Victorian mansions were constructed on hilltops overlooking the river.
Bramwell is famous for having the largest number of millionaires per capita of any town in America in the late 1800s. At its peak, Bramwell had as many as fourteen millionaires living in the city. The Pocahontas coalfields led to the creation of jobs for tens of thousands of miners. Immigrants and African American miners worked alongside native-born whites with some degree of cooperation as well as racial conflict.