Fargo, North Dakota is 3.3 times larger than Norfolk Island.
Area: 36 km2 World Factbook
Population: 2,210 (July 2014) World Factbook
Norfolk Island is a small island in the Pacific Ocean located between Australia, New Zealand and New Caledonia, 1,412 kilometres directly east of mainland Australia's Evans Head, and about 900 kilometres from Lord Howe Island. Wikipedia
Area: 120 km2 calculated
Fargo is the largest city in the State of North Dakota, accounting for nearly 16% of the state population. Fargo is also the county seat of Cass County. According to the 2013 United States Census estimates, its population was 113,658. Wikipedia