Rensselaer County is a county in the state of New York. As of 2000, the population is 152,538. Its name is in honor of the family of Killiaen Van Rensselaer, the original Dutch owner of the land in the area. Its county seat is Troy.
When counties were established in New York State in 1683, the present Rensselaer County was part of Albany County. This was an enormous county, including the northern part of New York State as well as all of the present State of Vermont and, in theory, extending westward to the Pacific Ocean. This county was reduced in size on July 3, 1766 by the creation of Cumberland County, and further on March 16, 1770 by the creation of Gloucester County, both containing territory now in Vermont. Then, on March 12, 1772, Albany County was divided into the counties of Albany, Tryon (now Montgomery), and Charlotte (now Washington). From 1772 to 1786 Albany County included, besides the present territory of Albany County, all of the present Columbia, Rensselaer, Saratoga, and Schenectady Counties, parts of the present Greene and Washington Counties, and a piece of what is now southwestern Vermont. In 1786, Albany County was reduced in size by the splitting off of Columbia County. In 1791, Rensselaer County (as well as Saratoga County) was split off from Albany County.
Rensselaer County is in the eastern part of New York State. The eastern boundary of Rensselaer County runs along the New York-Vermont and New York-Massachusetts borders. According to the U.S. Census Bureau, the county has a total area of 1,723 km (665 mi). 1,694 km (654 mi) of it is land and 30 km (11 mi) of it is water. The total area is 1.72% water. The terrain runs from level and flat near the Hudson and then rises into a plateau around Poestenkill, then to the Berkshire Mountains along the Massachusetts state line. The highest point is Berlin Mountain, 2,818 feet (859 m) above sea level, in the town of Berlin. The lowest point is roughly 20 feet (6 m) above sea level at the Hudson.
As of the census of 2010, there were 9,392 people, 4,124 households, and 2,457 families residing in the city. The population density was 2,579.2 people per square mile (995.5/km²). There were 3,713 housing units at an average density of 1,233.9 per square mile (476.3/km²). The racial makeup of the city was 82.11% White, 12.06% African American, 0.20% Native American, 2.17% Asian, 0.01% Pacific Islander, and 3.02% from two or more races. Hispanic or Latino of any race were 4.72% of the population.
There were 3,397 households out of which 28.6% had children under the age of 18 living with them, 35.2% were married couples living together, 16.4% had a female householder with no husband present, and 42.7% were non-families. 36.1% of all households were made up of individuals and 12.9% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.98.
In the city, the population was spread out with 25.0% under the age of 18, 8.1% from 18 to 24, 31.3% from 25 to 44, 21.7% from 45 to 64, and 13.9% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 90.8 males. For every 100 females age 18 and over, there were 86.8 males.
The median income for a household in the city was $34,730, and the median income for a family was $40,688. Males had a median income of $29,685 versus $26,291 for females. The per capita income for the city was $19,674. About 9.8% of families and 12.8% of the population were below the poverty line, including 19.0% of those under age 18 and 9.0% of those age 65 or over.
(Source: Wikipedia Encyclopedia...wikipedia.org)
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