Garland County is a county located in the U.S. state of Arkansas. As of the 2010 census, the population was 96,024. The county seat is Hot Springs.Garland County comprises the Hot Springs, AR Metropolitan Statistical Area. The county includes Hot Springs National Park, the first property to be protected under federal legislation; a law was passed in 1832 supported by President Andrew Jackson to preserve this area, even before Arkansas was admitted as a state.