Chatham /ˈtʃætəm/ is a village in Columbia County, New York, United States. The population was 1,770 at the 2010 census.
Chatham is located at 42°21′43″N 73°35′58″W / 42.36194°N 73.59944°W / 42.36194; -73.59944 (42.36207, -73.599686). The northern half of the village, and the central business area, is in the town of Chatham, while the southern half is in the town of Ghent.
According to the United States Census Bureau, the village has a total area of 1.2 square miles (3.2 km), of which 0.004 square miles (0.01 km), or 0.34%, is water. The village is located on Stony Kill, a waterway that makes a U-shaped bend through the village and flows north to Kinderhook Creek, a tributary of the Hudson River.
As of the census of 2000, there were 1,758 people, 742 households, and 425 families residing in the village. The population density was 1,492.0 people per square mile (575.2/km²). There were 802 housing units at an average density of 680.7 per square mile (262.4/km²). The racial makeup of the village was 94.03% White, 3.07% Black or African American, 0.34% Native American, 0.40% Asian, 0.11% Pacific Islander, 0.17% from other races, and 1.88% from two or more races. Hispanic or Latino of any race were 1.65% of the population.
There were 742 households out of which 31.1% had children under the age of 18 living with them, 41.0% were married couples living together, 12.4% had a female householder with no husband present, and 42.7% were non-families. 37.6% of all households were made up of individuals and 14.4% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 3.06.
In the village, the population was spread out with 26.1% under the age of 18, 6.8% from 18 to 24, 27.6% from 25 to 44, 24.6% from 45 to 64, and 15.0% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 90.1 males. For every 100 females age 18 and over, there were 83.6 males.
The median income for a household in the village was $39,063, and the median income for a family was $44,500. Males had a median income of $32,083 versus $24,327 for females. The per capita income for the village was $19,476. About 6.7% of families and 8.4% of the population were below the poverty line, including 8.4% of those under age 18 and 10.7% of those age 65 or over.
As of the 2010 census, Chatham was 86.5% white, 5.0% Hispanic, 3.3% black, 2.4% Multiracial, 2.0% Asian, 0.3% Native American, 0.3 Other race, and 0.06% Native Hawaiian.