About 29,000 people.

Williston is a bustling city in the far northwest of North Dakota that boomed thanks to oil discovered nearby. It sits close to the beautiful badlands and the mighty Missouri River.
You can splash all day at the giant ARC indoor waterpark, visit historic Fort Union where explorers once traded, and see where two great rivers meet at Fort Buford.
The Williston Area Recreation Center has a huge indoor waterpark with slides, a lazy river, and a wave pool, so families can swim even during snowy winters.
Near Williston, Fort Union Trading Post and Fort Buford tell the story of fur traders, explorers, and the Native nations who lived along the great rivers.