White Hall is a city in Washington Township, located in Jefferson County, Arkansas, United States. With a population of 5,526 in the 2010 cens…White Hall is a city in Washington Township, located in Jefferson County, Arkansas, United States. With a population of 5,526 in the 2010 census, it is included in the Pine Bluff Micropolitan Statistical Area and the greater Little Rock-North Little Rock Combined Statistical Area. White Hall is home to the Pine Bluff Arsenal.