The cities of Lathrup Village and Southfield are autonomous municipalities and are no longer part of the Township. The township shares some responsibilities with the villages of Franklin, Bingham Farms, and Beverly Hills. The township handles elections, animal control, tax collection, merchant and animal licensing and ordinances for the areas it represents. The incorporated village governments handle all other municipal services.
The city of Lathrup Village was incorporated out of the east side of the township on May 12, 1953. The village of Franklin incorporated on November 8, 1953, the village of Bingham Farms on June 7, 1955, and the village of Beverly Hills (originally named the Village of Westwood) in April, 1958. The city of Southfield was incorporated on September 16, 1957.
There were 5,612 households out of which 32.9% had children under the age of 18 living with them, 67.4% were married couples living together, 5.5% had a female householder with no husband present, and 24.9% were non-families. 21.7% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 2.99.
In the township the population was spread out with 24.7% under the age of 18, 3.7% from 18 to 24, 25.3% from 25 to 44, 27.6% from 45 to 64, and 18.7% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 94.8 males. For every 100 females age 18 and over, there were 90.2 males.
The median income for a household in the township was $97,719, and the median income for a family was $109,249. Males had a median income of $83,609 versus $50,957 for females. The per capita income for the township was $51,328. About 1.3% of families and 1.9% of the population were below the poverty line, including 1.1% of those under age 18 and 1.7% of those age 65 or over.