On February 5, 1887, Hartford became the site of what remains Vermont's worst railway disaster when a Vermont Central Railroad train struck a broken rail on a bridge west of town. The ensuing derailment threw the train into the frozen river below, killing 37 and injuring 50.[8]
According to the United States Census Bureau, the town has a total area of 45.9 square miles (118.9 km2), of which 45.0 square miles (116.5 km2) is land and 0.89 square miles (2.3 km2), or 1.93%, is water.[10] The Appalachian Trail crosses the northwest corner of the town, passing through West Hartford.
At the 2000 census there were 10,367 people in 4,509 households, including 2,800 families, in the town. The population density was 229.6 people per square mile (88.7/km2). There were 5,493 housing units at an average density of 121.7 per square mile (47.0/km2). The racial makeup of the town was 97.02% White, 0.55% African American, 0.31% Native American, 0.88% Asian, 0.03% Pacific Islander, 0.16% from other races, and 1.05% from two or more races. Hispanic or Latino of any race were 0.85%.[2]
Of the 4,509 households 28.7% had children under the age of 18 living with them, 48.8% were married couples living together, 10.2% had a female householder with no husband present, and 37.9% were non-families. 30.6% of households were one person and 10.9% were one person aged 65 or older. The average household size was 2.28 and the average family size was 2.86.
The age distribution was 23.4% under the age of 18, 5.9% from 18 to 24, 29.3% from 25 to 44, 26.7% from 45 to 64, and 14.7% 65 or older. The median age was 40 years. For every 100 females, there were 89.9 males. For every 100 females age 18 and over, there were 86.9 males.
The median household income was $42,990 and the median family income was $51,286. Males had a median income of $35,969 versus $27,073 for females. The per capita income for the town was $22,792. About 5.3% of families and 8.5% of the population were below the poverty line, including 8.8% of those under age 18 and 4.9% of those age 65 or over.