As of the 2010 United States Census, the city had a population of 35,193.
The center of Hot Springs is the oldest federal reserve in the United States, today preserved as Hot Springs National Park.
Incorporated January 10, 1851, the city has been home to Major League Baseball spring training, illegal gambling, speakeasies and gangsters such as Al Capone, horse racing at Oaklawn Park, the Army and Navy Hospital, and 42nd President Bill Clinton.
One of the largest Pentecostal denominations in the United States, the Assemblies of God, traces its beginnings to Hot Springs.
During this period, Hot Springs became the prey of guerrilla bands loosely associated with either Union or Confederate forces.