Hopkinton is a town in Washington County, Rhode Island. The population was 8,398 at the 2020 census.

Hopkinton is named after Stephen Hopkins, a signer of the Declaration of Independence who was governor of the Colony of Rhode Island and Providence Plantations when the town was partitioned from Westerly and incorporated in 1757. Hopkinton once featured a number of industrial villages, such as Locustville, Moscow, Centerville, and Wood River Iron Works, each being named after the mill which they surrounded. Today only Hope Valley, Rockville, Ashaway, and Bradford are recognized with a post office. The town hall is located in the village of Hopkinton City, which was once a stagecoach hub.

Hopkinton is found at 41.461 N latitude and 71.778 W longitude and borders Richmond and Charlestown. It is on the Pawcatuck River and the Ashaway River on the Connecticut border.

According to the United States Census Bureau, the town has a total area of 44.1 square miles (114 km), of which 43.0 square miles (111 km) is land and 1.1 square miles (2.8 km) (2.58%) is water.

Hopkinton is the southernmost town along Rhode Island's portion of Interstate 95 and is the first Rhode Island town that northbound travelers encounter.

Hope Valley in the north and Ashaway in the south are the two primary villages in Hopkinton. Two of the four elementary schools in the Chariho Regional School District are located in Hopkinton, one in Hope Valley and one in Ashaway. Other villages that are located in Hopkinton include Barberville, Bethel, Bradford, Burdickville, Canonchet, Centerville, Hopkinton City, Locustville, Moscow, Rockville, South Hopkinton, Woodville, and Yawgoog. Almost all were formed from mills on rivers. Hope Valley, Ashaway, and Hopkinton (Hopkinton City) are census-designated places (CDPs).

Historical population

Census	Pop.	Note	%±
1790	2,462		—
1800	2,276		−7.6%
1810	1,774		−22.1%
1820	1,821		2.6%
1830	1,777		−2.4%
1840	1,726		−2.9%
1850	2,477		43.5%
1860	2,738		10.5%
1870	2,682		−2.0%
1880	2,952		10.1%
1890	2,864		−3.0%
1900	2,602		−9.1%
1910	2,324		−10.7%
1920	2,316		−0.3%
1930	2,823		21.9%
1940	3,230		14.4%
1950	3,676		13.8%
1960	4,174		13.5%
1970	5,392		29.2%
1980	6,406		18.8%
1990	6,873		7.3%
2000	7,836		14.0%
2010	8,188		4.5%
2020	8,398		2.6%
U.S. Decennial Census

As of the census of 2000, there were 7,836 people, 2,965 households, and 2,182 families residing in the town. There were 3,112 housing units at an average density of 72.4 units per square mile (28.0 units/km). The racial makeup of the town was 96.82% White, 0.61% African American, 0.89% American Indian, 0.43% Asian, 0.27% from other races, and 0.97% from two or more races. Hispanic or Latino of any race were 1.06% of the population.

There were 2,965 households, out of which 35.2% had children under the age of 18 living with them, 61.9% were married couples living together, 7.7% had a female householder with no husband present, and 26.4% were non-families. 21.0% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.07.

The population was spread out, with 25.7% under the age of 18, 6.4% from 18 to 24, 31.6% from 25 to 44, 25.4% from 45 to 64, and 11.1% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 99.7 males. For every 100 females age 18 and over, there were 96.9 males.

The median income for a household in the town was $52,181, and the median income for a family was $59,143. Males had a median income of $39,804 versus $29,189 for females. The per capita income for the town was $23,835. About 3.3% of families and 4.8% of the population were below the poverty line, including 5.5% of those under age 18 and 7.2% of those age 65 or over. As of 2017, the largest self-identified ancestry groups or ethnic groups in Hopkinton were:

Largest ancestries (2017)	Percent
English	24.8%
Irish	22.8%
Italian	18.6%
German	10.5%
French (except Basque)	10.2%
Polish	6.5%
Portuguese	4.5%
American	3.6%
Scottish	3.6%
Swedish	3.3%

Hopkinton is located in the 34th Senate District, represented by Republican Elaine J. Morgan, and in the 38th District in the Rhode Island House of Representatives by Democrat Brian Patrick Kennedy. At the Federal level, Hopkinton is located in Rhode Island's 2nd Congressional District, which is currently represented by James Langevin (D). Hopkinton is represented by U.S. Senator John F. Reed (D) and U.S. Senator Sheldon Whitehouse (D).

• Prudence Crandall taught the first desegregated classroom in the United States; born in Hopkinton
• Edward Lee Greene, botanist; born in Hopkinton
• Benjamin Randall, Wisconsin State Assemblyman; born in Hopkinton
• Dorcas James Spencer (1841–1933), social activist, writer
• John Wilbur, Quaker minister; born in Hopkinton

• Black Farm
• Bradford Village Historic District in Hopkinton and Westerly
• Hope Valley Historic District
• Hopkinton City Historic District
• Tomaquag Rock Shelters
• Upper Rockville Mill
• Wyoming Village Historic District

• Yawgoog Scout Reservation

• Hopkinton, Rhode Island travel guide from Wikivoyage
• Town of Hopkinton official website

41°27′40″N 71°46′39″W / 41.46111°N 71.77750°W / 41.46111; -71.77750