
The average sale price for a single-family home was $2.3 million in the first quarter of 2018. Due to tourists and seasonal residents, the population of the island increases to at least 50,000 during the summer months. Nantucket is a tourist destination and summer colony. The name "Nantucket" is adapted from similar Algonquian names for the island, but is very similar to the endonym of the native Nehantucket tribe that occupied the region at the time of European settlement. The region of Surfside on Nantucket is the southernmost settlement in Massachusetts. Part of the town is designated the Nantucket CDP, or census-designated place.

As of the 2020 census, the population was 14,255, making it the least populated county in Massachusetts. It is the only such consolidated town-county in Massachusetts. Together with the small islands of Tuckernuck and Muskeget, it constitutes the Town and County of Nantucket, a combined county/town government. Nantucket / ˌ n æ n ˈ t ʌ k ᵻ t/ is an island about 30 miles (50 km) by ferry south from Cape Cod, in the U.S.
