Putnam County is a county located in the U.S. State of New York. As of 2000, the population is 95,745. The county seat is Carmel. The name is in honor of Israel Putnam, who was a hero in the French and Indian War and a general in the American Revolutionary War.
In 1812, Putnam County was detached from Dutchess. The six townships comprising the county had reached their current names and boundaries by 1877.
According to the U.S. Census Bureau, the county has a total area of 638 km² (246 mi²). 599 km² (231 mi²) of it is land and 39 km² (15 mi²) of it is water. The total area is 6.08% water.
There are 32,703 households out of which 38.90% have children under the age of 18 living with them, 65.40% are married couples living together, 8.30% have a female householder with no husband present, and 23.00% are non-families. 18.10% of all households are made up of individuals and 5.90% have someone living alone who is 65 years of age or older. The average household size is 2.86 and the average family size is 3.27.
In the county the population is spread out with 26.50% under the age of 18, 6.30% from 18 to 24, 32.10% from 25 to 44, 25.60% from 45 to 64, and 9.60% who are 65 years of age or older. The median age is 37 years. For every 100 females there are 99.50 males. For every 100 females age 18 and over, there are 97.30 males.
The median income for a household in the county is $72,279, and the median income for a family is $82,197. Males have a median income of $53,295 versus $38,390 for females. The per capita income for the county is $30,127. 4.40% of the population and 2.70% of families are below the poverty line. Out of the total people living in poverty, 4.50% are under the age of 18 and 7.00% are 65 or older.