Popponesset Island is an island and

census-designated place A census-designated place (CDP) is a concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, such ...

(CDP) in the town of Mashpee in

Barnstable County Barnstable County is a county located in the U.S. state of Massachusetts. At the 2020 census, the population was 228,996. Its shire town is Barnstable. The county consists of Cape Cod and associated islands (some adjacent islands are in Duk ...

Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...

, United States. The population was 26 at the 2010 census.

Geography

Popponesset Island is located in the southeastern part of the town of Mashpee. It lies in

Popponesset Bay Popponesset Bay System is a group of bays located at the towns of Mashpee (north & west) and Barnstable (east), on Cape Cod, Massachusetts with a southern shore bounded by water from Nantucket Sound. Popponesset Bay has the following tributary ...

, an arm of

Nantucket Sound Nantucket Sound_(geography), Sound is a roughly triangular area of the Atlantic Ocean offshore from the U.S. state of Massachusetts. It is long and wide, and is enclosed by Cape Cod on the north, Nantucket on the south, and Martha's Vineyard on ...

, and is separated from the mainland of

Cape Cod Cape Cod is a peninsula extending into the Atlantic Ocean from the southeastern corner of mainland Massachusetts, in the northeastern United States. Its historic, maritime character and ample beaches attract heavy tourism during the summer mont ...

by the narrow Popponesset Creek. The CDP of New Seabury is to the west, across Popponesset Creek, and the Popponesset CDP is to the southwest. The town of Barnstable is to the northeast, across Popponesset Bay. According to the

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the ...

, the Popponesset Island CDP has a total area of . of it is land, and of it (81.16%) is water.

History

During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, Popponesset Island was used for

amphibious assault Amphibious warfare is a type of offensive military operation that today uses naval ships to project ground and air power onto a hostile or potentially hostile shore at a designated landing beach. Through history the operations were conducted ...

training.

Demographics

At the 2000 census there were 39 people, 19 households, and 12 families living in the CDP. The population density was 188.2/km (502.1/mi). There were 69 housing units at an average density of 333.0/km (888.3/mi). The

racial makeup A race is a categorization of humans based on shared physical or social qualities into groups generally viewed as distinct within a given society. The term came into common usage during the 1500s, when it was used to refer to groups of variou ...

of the CDP was 100.00% White. Of the 19 households 15.8% had children under the age of 18 living with them, 57.9% were married couples living together, 5.3% had a female householder with no husband present, and 31.6% were non-families. Of all households 31.6% were one person and 21.1% were one person aged 65 or older. The average household size was 2.05 and the average family size was 2.54. The age distribution was 17.9% under the age of 18, 10.3% from 25 to 44, 35.9% from 45 to 64, and 35.9% 65 or older. The median age was 58 years. For every 100 females, there were 85.7 males. For every 100 females age 18 and over, there were 113.3 males. The median household income was $65,179; median incomes for families, males and females are unknown, due to the small size of the population. The per capita income for the CDP was $48,815. None of the population were below the

poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for t ...

References

{{authority control Census-designated places in Barnstable County, Massachusetts Census-designated places in Massachusetts Mashpee, Massachusetts Populated coastal places in Massachusetts