Green Oak Township
is a charter township
of Livingston County
in the U.S. state
. As of the 2000 census
, the township population was 15,618. In September 2005, the township board voted to incorporate as a charter township, becoming the second charter township in Livingston County.
According to the United States Census Bureau
, the township has a total area of 36.7 square miles
), of which, 34.7 square miles (90.0 km²) of it is land and 2.0 square miles (5.2 km²) of it (5.50%) is water.
As of the census
of 2000, there were 15,618 people, 5,438 households, and 4,312 families residing in the township. The population density
was 449.7 per square mile (173.6/km²). There were 5,772 housing units at an average density of 166.2/sq mi (64.2/km²). The racial makeup of the township was 96.92% White
, 0.58% African American
, 0.47% Native American
, 0.49% Asian
, 0.01% Pacific Islander
, 0.20% from other races
, and 1.32% from two or more races. Hispanic
of any race were 1.28% of the population.
There were 5,438 households out of which 38.9% had children under the age of 18 living with them, 70.6% were married couples living together, 5.3% had a female householder with no husband present, and 20.7% were non-families. 16.5% of all households were made up of individuals and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.15.
In the township the population was spread out with 29.2% under the age of 18, 6.6% from 18 to 24, 30.8% from 25 to 44, 24.5% from 45 to 64, and 8.8% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 107.9 males. For every 100 females age 18 and over, there were 103.1 males.
The median income for a household in the township was $75,173, and the median income for a family was $83,550. Males had a median income of $61,131 versus $39,270 for females. The per capita income for the township was $29,923. About 2.0% of families and 2.6% of the population were below the poverty line, including 2.2% of those under age 18 and 4.5% of those age 65 or over.
In 2004, Costco
built stores off the Lee Road exit of US 23
in the northwest part of the township, just southeast of Brighton
. In September 2006, a new shopping center, Green Oak Village Place
, opened on the east side of US 23 at exit 58.
With the mall opening the exit at U.S. 23 had to be reconfigured. Two roundabouts
were added at the exit to maintain traffic flow, including a double roundabout.