Clark Township, New Jersey

Geography According to the United States Census Bureau, the township has a total area of 11.6 km² (4.5 mi²). 11.2 km² (4.3 mi²) of it is land and 0.4 km² (0.1 mi²) of it is water. The total area is 3.12% water.

Demographics As of the census of 2000, there are 14,597 people, 5,637 households, and 4,126 families residing in the township. The population density is 1,298.6/km² (3,359.6/mi²). There are 5,709 housing units at an average density of 507.9/km² (1,314.0/mi²). The racial makeup of the township is 95.61% White, 0.30% African American, 0.01% Native American, 2.75% Asian, 0.00% Pacific Islander, 0.63% from other races, and 0.69% from two or more races. 3.67% of the population are Hispanic or Latino of any race.

There are 5,637 households out of which 28.1% have children under the age of 18 living with them, 61.4% are married couples living together, 9.0% have a female householder with no husband present, and 26.8% are non-families. 24.1% of all households are made up of individuals and 12.9% have someone living alone who is 65 years of age or older. The average household size is 2.56 and the average family size is 3.07.

In the township the population is spread out with 20.8% under the age of 18, 5.4% from 18 to 24, 27.6% from 25 to 44, 24.5% from 45 to 64, and 21.7% who are 65 years of age or older. The median age is 43 years. For every 100 females there are 90.5 males. For every 100 females age 18 and over, there are 86.4 males.

The median income for a household in the township is $65,019, and the median income for a family is $77,291. Males have a median income of $54,543 versus $36,361 for females. The per capita income for the township is $29,883. 1.7% of the population and 1.0% of families are below the poverty line. Out of the total people living in poverty, 2.0% are under the age of 18 and 2.7% are 65 or older.