Delaware County (Ohio)

Delaware County is a county located in the state of Ohio of the United States. The administrative headquarters ( County Seat) is Delaware.


The County is located a few kilometers north-west of the geographic center of Ohio and has an area of 1181 square kilometers, of which 35 square kilometers are water surface. It is bordered clockwise to the following counties: Marion County, Morrow County, Knox County, Licking County, Franklin County and Union County.


Delaware County was formed on February 10, 1808 from parts of Franklin County. It was named for the Delaware Indians.

Demographic data

1900-1990 2000

According to the census in 2000 lived in Delaware County 109 989 people in 39,674 households and 30,668 families. The population density was 96 people per square kilometer. The racial the population was made ​​up of 94.25 percent White, 2.52 percent African American, 0.14 percent Native American, 1.54 percent Asian, 0.03 percent of residents from the Pacific Islander and 0.38 percent from other races groups; 1.14 percent were descended from two or more races. 1.01 percent of the population were Hispanic or Latino of any race.

Of the 39,674 households out of which 40.1 percent have children under the age of 18 living with them. 67.7 percent were married couples living together, 6.7 percent were single mothers, 22.7 percent were non-families, 18.1 percent of all households and 5.3 percent had someone living alone at the age of 65 years or older. The average household size was 2.70 and the average family size was 3.09.

Based on the county the population was spread from 28.2 percent population under 18 years, 7.6 percent between 18 and 24 years, 32.6 percent between 25 and 44 years, 23.3 percent between 45 and 64 years and 8.2 percent were 65 years old or older. The average age was 35 years. For every 100 females there were 98.0 males. For every 100 females age 18 and over, there were 94.9 men statistically.

The median income for a household was $ 67,258, and the median income for a family was $ 76,453. Males had a median income of $ 51,428, women $ 33,041. The per capita income was $ 31,600. 3.8 percent of the population and 2.9 percent of families are below the poverty line. Of these, 4.4 percent were children or adolescents under 18 years old and 4.8 percent are 65 years old.