Incorporated: 1623 |
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Origin: For the first fifty years of New Hampshire history, Dover was one of only three communities established in what is now New Hampshire. Settled in 1623 on the banks of the Piscataqua River, Dover was first called Hilton's Point, named after Edward Hilton, who procured for himself the ""Dover and Squamscot Patent"" in 1629. The town was also known by the Indian names of Newichwannock (place of wigwams) and Cocheco; and briefly called Bristol and North-ham before permanently becoming Dover. The settlement was an independent government until 1641, when residents agreed to be annexed to Massachusetts; the town returned to New Hampshire when provincial status was restored by King George II in 1741. Dover's location on the Piscataqua and Cocheco Rivers made it a thriving center of trading and manufacturing. Dover was incorporated as a city in 1855. |
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Villages and Place Names: Bellamy, Cocheco, Gates Corner, Sawyers, Wentworth Terrace |
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Population, Year of the First Census Taken: 1998 residents in 1790 |
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Population Trends: Population change for Dover totaled 11,908 over 50 years, from 20,850 in 1970 to 32,758 in 2020. The largest decennial percent change was a 14 percent increase from 1980 to 1990. The city's population increased by nine percent from 2010 to 2020. The 2023 Census estimate for Dover was 33,485 residents, which ranked sixth among New Hampshire's incorporated cities and towns. |
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Population Density and Land Area: 2023 (US Census Bureau): 1,254.1 persons per square mile of land area. Dover contains 26.7 square miles of land area and 2.3 square miles of inland water area. |
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