DeWitt is the name of a city and a township in Clinton County in the U.S. state of Michigan. The population of the city was 4,507 at the 2010 census.
DeWitt is on the Looking Glass River, a tributary of the Grand River.
According to the United States Census Bureau, the city has a total area of 2.99 square miles (7.74 km), of which 2.86 square miles (7.41 km) is land and 0.13 square miles (0.34 km) is water.
As of the census of 2010, there were 4,507 people, 1,732 households, and 1,314 families residing in the city. The population density was 1,575.9 inhabitants per square mile (608.5/km). There were 1,808 housing units at an average density of 632.2 per square mile (244.1/km). The racial makeup of the city was 94.9% White, 1.4% African American, 0.4% Native American, 0.9% Asian, 0.5% from other races, and 1.9% from two or more races. Hispanic or Latino of any race were 3.5% of the population.
There were 1,732 households of which 37.9% had children under the age of 18 living with them, 60.6% were married couples living together, 11.4% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 24.1% were non-families. 20.1% of all households were made up of individuals and 7% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 2.99.
The median age in the city was 39.8 years. 26.6% of residents were under the age of 18; 8% were between the ages of 18 and 24; 23.2% were from 25 to 44; 32.4% were from 45 to 64; and 9.8% were 65 years of age or older. The gender makeup of the city was 48.6% male and 51.4% female.
As of the census of 2000, there were 4,702 people, 1,624 households, and 1,307 families residing in the city. The population density was 1,641.3 per square mile (634.8/km²). There were 1,661 housing units at an average density of 579.8 per square mile (224.2/km²). The racial makeup of the city was 95.85% White, 1.02% African American, 0.23% Native American, 0.64% Asian, 0.02% Pacific Islander, 0.40% from other races, and 1.83% from two or more races. Hispanic or Latino of any race were 2.55% of the population.
There were 1,624 households out of which 50.5% had children under the age of 18 living with them, 65.9% were married couples living together, 11.3% had a female householder with no husband present, and 19.5% were non-families. 16.3% of all households were made up of individuals and 4.4% had someone living alone who was 65 years of age or older. The average household size was 2.89 and the average family size was 3.25.
In the city, the population was spread out with 33.8% under the age of 18, 7.2% from 18 to 24, 29.5% from 25 to 44, 24.1% from 45 to 64, and 5.4% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 99.6 males. For every 100 females age 18 and over, there were 93.6 males.
The median income for a household in the city was $69,174, and the median income for a family was $78,935. Males had a median income of $51,409 versus $35,545 for females. The per capita income for the city was $26,997. About 3.6% of families and 4.3% of the population were below the poverty line, including 4.8% of those under age 18 and 8.6% of those age 65 or over.