Saratoga County is a county in the U.S. state of New York. As of the 2018 U.S. Census estimate, the county’s population was 230,163, representing a 4.8% increase from the 2010 population of 219,607, representing one of the fastest growth rates in the northeastern United States and the fastest-growing county in Upstate New York. The county seat is Ballston Spa. Saratoga County is included in the Capital District, encompassing the Albany-Schenectady-Troy, New York Metropolitan Statistical Area.
Saratoga County is situated in the eastern portion of New York State, north of Albany, northwest of Troy, and east of Utica. According to the U.S. Census Bureau, the county has a total area of 844 square miles (2,190 km), of which 810 square miles (2,100 km) is land and 34 square miles (88 km) (4.0%) is water. The Hudson River forms the eastern border of the county, while the Mohawk River demarcates its southern border. The highest elevation in Saratoga County is at the peak of Hadley Mountain in the Adirondack Mountains, at 2,675 feet (815 meters), while the lowest elevation is 69 feet (21 meters), at the waterfront of the Village of Waterford, at the confluence of the Mohawk and Hudson rivers.
In 1960, Saratoga County had a population of only 89,000, less than half of its population in 2018, estimated at 230,163.
As of the 2010 United States Census, there were 219,607 people, 88,296 households, and 58,814 families residing in Saratoga County. The population density was 271 people per square mile (105/km²). There were 98,656 housing units at an average density of 122 per square mile (41/km²). The racial makeup of the county was 94.3% White, 1.8% Asian, 1.5% Black or African American, 0.2% Native American, 0.0% Pacific Islander, 0.5% from other races, and 1.7% from two or more races. 2.4% of the population were Hispanic or Latino of any race.
There were 88,296 households out of which 29.5% had children under the age of 18 living with them, 53.3% were married couples living together, 9.1% had a female householder with no husband present, and 33.4% were non-families. 26.1% of all households were made up of individuals, 31.5% of households had individuals under 18 years, and 9.5% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.96.
Of Saratoga County’s population in 2010, 6.3% were between ages of 5 and 9 years, 6.7% between 10 and 14 years, 6.5% between 15 and 19 years, 5.5% between 20 and 24 years, 5.5% between 25 and 29 years, 5.8% between 30 and 34 years, 6.6% between 35 and 39 years, 7.9% between 40 and 44 years, 8.5% between 45 and 49 years, 8.0% between 50 and 54 years, 7.0% between 55 and 59 years, 6.4% between 60 and 64 years, and 13.7% of age 65 years and over. 22.7% of the county’s population was under age 18. The median age was 40.9 years.
According to the 2009-2013 American Community Survey, the median income for a household in Saratoga County was $69,826, and the median income for a family was $87,058. Males had a median income of $59,636 versus $44,743 for females. The per capita income for the county was $35,176. About 4.0% of families and 6.5% of the population were below the poverty line, including 7.4% of those under age 18 and 6.1% of those age 65 or over.