Washington County is a county located in the southeastern part of Rhode Island, a U.S. state. Washington County borders Kent County to the north and New London County in Connecticut to the south. As of 2000, the population is 123,546.
Originally named King's County and changed to its present name in 1781, the county is usually known within the state as South County.
According to the U.S. Census Bureau, the county has a total area of 1,458 km˛ (563 mi˛). 862 km˛ (333 mi˛) of it is land and 596 km˛ (230 mi˛) of it is water. The total area is 40.87% water.
As of the census2 of 2000, there are 123,546 people, 46,907 households, and 32,037 families residing in the county. The population density is 143/km˛ (371/mi˛). There are 56,816 housing units at an average density of 66/km˛ (171/mi˛). The racial makeup of the county is 94.82% White, 0.92% Black or African American, 0.93% Native American, 1.50% Asian, 0.02% Pacific Islander, 0.46% from other races, and 1.35% from two or more races. 1.44% of the population are Hispanic or Latino of any race.
There are 46,907 households out of which 31.80% have children under the age of 18 living with them, 55.50% are married couples living together, 9.40% have a female householder with no husband present, and 31.70% are non-families. 24.10% of all households are made up of individuals and 9.20% have someone living alone who is 65 years of age or older. The average household size is 2.52 and the average family size is 3.01.
In the county, the population is spread out with 23.40% under the age of 18, 11.20% from 18 to 24, 28.30% from 25 to 44, 24.40% from 45 to 64, and 12.80% who are 65 years of age or older. The median age is 37 years. For every 100 females there are 94.20 males. For every 100 females age 18 and over, there are 91.30 males.
The median income for a household in the county is $53,103, and the median income for a family is $64,112. Males have a median income of $43,956 versus $30,659 for females. The per capita income for the county is $25,530. 7.30% of the population and 4.20% of families are below the poverty line. Out of the total population, 7.40% of those under the age of 18 and 5.60% of those 65 and older are living below the poverty line.
Cities, towns, and villages*
- -- Ashaway (a village of Hopkinton)
- -- Hope Valley (a village of Hopkinton)
- -- Narragansett Pier (a village of Narragansett)
- New Shoreham (coextensive with Block Island)
- North Kingstown
- South Kingstown
- -- Peacedale (a village of South Kingston)
- -- Wakefield (a village of South Kingston)
- -- Bradford (a village of Westerly)
* Villages are census division, but have no separate corporate existence from the towns they are in.
- National Register of Historic Places listing for Washington Co., Rhode Island (http://www.nationalregisterofhistoricplaces.com/RI/Washington/districts.html)