Johnstown is a city in and the county seat of Fulton County in the U.S. state of New York. As of the 2010 Census, the city had population of 8,743. The city was named after its founder, Sir William Johnson, Superintendent of Indian Affairs in the Province of New York and a major general during the Seven Years’ War in North America.
Johnstown is located along the southern edge of Fulton County, in the picturesque Mohawk Valley of upstate New York. It is slightly north of the route developed for the Erie Canal through what is now Montgomery County. Although not a hilltown, Johnstown is close to the Adirondack Mountains that stretch across the northern portion of Fulton County. It is situated near the southern border of the Adirondack Park.
According to the United States Census Bureau, the city has a total area of 4.88 square miles (12.65 km), of which 4.88 square miles (12.63 km) is land and 0.01 square miles (0.02 km), or 0.17%, is water. The city is bordered to the north, east, and west by the town of Johnstown, to the northeast by the city of Gloversville, and to the south by the town of Mohawk in Montgomery County.
Cayadutta Creek which runs through the city provided water power needed to generate the electricity required by the various industries that grew up in Johnstown. The creek flows south to join the Mohawk River at Fonda.
East-west highways, New York State Route 29 and New York State Route 67, intersect in the city and also cross the north-south highway New York State Route 30A. NY 29 leads east 32 miles (51 km) to Saratoga Springs and northwest 8 miles (13 km) to Rockwood. NY 67 leads southeast 11 miles (18 km) to Amsterdam and west 18 miles (29 km) to St. Johnsville. NY 30A leads northeast 4 miles (6 km) to Gloversville and 10 miles (16 km) to Mayfield, as well as south 4.5 miles (7.2 km) to Fonda and 6 miles (10 km) to the New York Thruway.
As of the census of 2000, there were 8,511 people, 3,579 households, 2,208 families residing in the city. The population density was 1,751.1 people per square mile (676.2/km²). There were 3,979 housing units at an average density of 818.7 per square mile (316.1/km²). The racial makeup of the city was 96.57% White, 0.62% Black or African American, 0.32% Native American, 0.99% Asian, 0.04% Pacific Islander, 0.41% from other races, and 1.06% from two or more races. Hispanic or Latino of any race were 1.08% of the population.
There were 3,579 households out of which 29.5% had children under the age of 18 living with them, 44.1% were married couples living together, 13.5% had a female householder with no husband present, and 38.3% were non-families. 33.3% of all households were made up of individuals and 16.6% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.91.
In the city, the population was spread out with 24.4% under the age of 18, 7.2% from 18 to 24, 27.6% from 25 to 44, 21.6% from 45 to 64, and 19.2% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 87.8 males. For every 100 females age 18 and over, there were 82.8 males.
The median income for a household in the city was $32,603, and the median income for a family was $39,909. Males had a median income of $30,636 versus $22,272 for females. The per capita income for the city was $17,324. About 9.3% of families and 13.2% of the population were below the poverty line, including 19.5% of those under age 18 and 8.2% of those age 65 or over.