Carroll is a town in Coos County, New Hampshire, United States. The population was 763 at the 2010 census. The two largest villages are Twin Mountain and Bretton Woods. Carroll is an important access point for recreational areas in the White Mountains, including many 4,000-footers, the Zealand River area, the Presidential Range, and the Presidential Dry River Wilderness. The town is crossed by the Appalachian Trail and is home to the Mount Washington Hotel at Bretton Woods. It is also home to the Highland Center at Crawford Notch, the Appalachian Mountain Club’s four-season lodge.
There are several villages in the town.
New Hampshire Route 115 leads from Carroll to Jefferson, with scenic views of Whitefield, Lancaster and the northern White Mountains.
A substantial portion of the town is part of the White Mountain National Forest, including Cherry Mountain (“Mount Martha”, at 3,554 feet (1,083 m) above sea level), which is traversed by the Cohos Trail; and part of the Dartmouth Range, which contains Mount Deception, the summit of which at 3,670 ft (1,120 m) is the highest point in town. The southeast corner of town boasts the Mount Washington Hotel and the height of land in Crawford Notch. The Ammonoosuc River rises at the confluence of several brooks and flows westward generally along Route 302 through town. The Saco River rises in Crawford Notch and runs south-southeast to the Maine coast.
According to the United States Census Bureau, the town has a total area of 50.2 square miles (130 km), of which 50.2 sq mi (130 km) is land and 0.04 sq mi (0.10 km) is water, comprising 0.06% of the town. Carroll lies almost fully within the Connecticut River watershed; the southernmost tip of the town surrounding Saco Lake, however, is part of the Saco River watershed.
As of the census of 2000, there were 663 people, 279 households, and 189 families residing in the town. The population density was 13.2 people per square mile (5.1/km²). There were 740 housing units at an average density of 14.7 per square mile (5.7/km²). The racial makeup of the town was 98.79% White, 0.75% Asian, 0.15% from other races, and 0.30% from two or more races. Hispanic or Latino of any race were 0.60% of the population.
There were 279 households out of which 24.4% had children under the age of 18 living with them, 56.3% were married couples living together, 7.9% had a female householder with no husband present, and 31.9% were non-families. 25.4% of all households were made up of individuals and 10.0% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.76.
In the town, the population was spread out with 21.0% under the age of 18, 6.3% from 18 to 24, 26.7% from 25 to 44, 31.2% from 45 to 64, and 14.8% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 103.4 males. For every 100 females age 18 and over, there were 107.9 males.
The median income for a household in the town was $39,286, and the median income for a family was $45,227. Males had a median income of $27,426 versus $20,781 for females. The per capita income for the town was $18,734. About 3.1% of families and 6.9% of the population were below the poverty line, including 4.8% of those under age 18 and 12.4% of those age 65 or over.