Williams County North Dakota Flag

Williams County is located on the western border of the U.S. state of North Dakota, next to Montana. As of the 2020 census, the population was 40,950. making it the fifth most populous county in North Dakota. Its county seat is Williston.
  • Country: United States
  • State: North Dakota
  • Founded: 1891
  • Named for: Erastus Appleman Williams
  • Seat: Williston
  • Largest city: Williston
  • Congressional district: At-large
Data from: en.wikipedia.org