Katonah is one of three hamlets and census-designated places (CDP) within the town of Bedford, Westchester County, in the U.S. state of New York, specifically northern Westchester. The Katonah CDP had a population of 1,679 at the 2010 census.
Katonah is classified as a hamlet, with no legal status as an administrative jurisdiction. The Katonah post office serves portions of the towns of Bedford, Lewisboro and Somers. Katonah was identified as a census-designated place (CDP) for the first time in 2010.
According to the 2010 United States census, the CDP of Katonah had a total population of 1,679 people, compared to 10,739 residents of the Katonah ZIP code, 10536. In 2010, half (5,391, or 50.2%) of the Katonah ZIP code’s population resided in the town of Bedford, 36.9% in Somers and 12.9% in Lewisboro.
Within the Katonah CDP, there were 1,679 people, 589 households, and 445 families residing at the 2010 census. The population density was 2,398.6 per square mile (883.7/km2). There were 619 housing units at an average density of 884.3/sq mi (325.8/km2). The racial makeup of the CDP was 87.1% White, 2.5% African American, 0.2% Native American, 2.6% Asian, 5.4% some other race, and 2.2% from two or more races. Hispanic or Latino of any race were 11.9% of the population.
There were 589 households, out of which 46.5% had children under the age of 18 living with them, 59.4% were headed by married couples living together, 12.2% had a female householder with no husband present, and 24.4% were non-families. 17.5% of all households were made up of individuals, and 5.1% were someone living alone who was 65 years of age or older. The average household size was 2.83, and the average family size was 3.24.
In the CDP the population was spread out with 29.5% under the age of 18, 5.1% from 18 to 24, 24.1% from 25 to 44, 31.7% from 45 to 64, and 9.6% who were 65 years of age or older. The median age was 40.6 years. For every 100 females there were 88.0 males. For every 100 females age 18 and over, there were 87.5 males.
For the period 2007-11, the estimated median annual income for a household in the CDP was $146,296, and the median income for a family was $146,923. Male full-time workers had a median income of $94,250 versus $84,674 for females. The per capita income for the CDP was $60,408. About 4.7% of families and 6.7% of the population were below the poverty line, including 12.0% of those under age 18 and none of those age 65 or over.