Why a New Hampshire county was named after a man with no descendants

Science · Published 20 October 2026 Swipe more like this →

In short: Strafford County, New Hampshire, holds a curious place in history, founded in 1769 under a mistaken identity. Named for William Wentworth, the 2nd Earl of Strafford, the region was established by officials who wrongly believed he was the ancestor of Governor John Wentworth. In reality, William left behind no descendants at all.

Organized at Dover in 1771, Strafford County is one of the original five counties of New Hampshire. Its geography is defined by the Salmon Falls River, which marks the boundary between New Hampshire and Maine. This tidal river flows into the Piscataqua, shaping the southeastern landscape of the county. Despite its historical significance, the county has undergone structural changes over time, most notably in 1840 when its original territory was reduced to facilitate the creation of Belknap County. Today, it remains the smallest county in New Hampshire by total area, covering 384 square miles.

The demographic profile of the county has evolved significantly over the last two decades. As of the 2020 census, the population reached 130,889, reflecting a steady growth trend that saw the area estimated as the fastest-growing county in New Hampshire between 2010 and 2019. The median age of residents has also shifted, rising from 34 years in 2000 to 38.9 years by 2020. This population is largely urban, with 63.3% of residents living in cities, while the remaining 36.7% reside in rural areas. Dover serves as the county seat and is one of the largest cities, alongside Rochester.

Governance in Strafford County is structured around a three-member Board of County Commissioners who hold executive power. Beyond this commission, the administrative framework includes five directly elected officials: the County Attorney, Sheriff, Treasurer, and the Registers of Deeds and Probate. Legislative representation is handled by a delegation of 37 members from 25 districts within the New Hampshire House of Representatives. This administrative apparatus oversees a region that is deeply integrated into the broader New England economy, serving as a component of the Boston-Cambridge-Newton and Boston-Worcester-Providence statistical areas, highlighting its role as a vital link in the regional metropolitan network.

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