There were 89,015 households out of which 29.10% had children under the age of 18 living with them, 42.00% were married couples living together, 14.80% had a female householder with no husband present, and 39.30% were non-families. 30.00% of all households were made up of individuals and 7.00% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.99.
In the county the population was spread out with 22.90% under the age of 18, 12.80% from 18 to 24, 34.80% from 25 to 44, 19.80% from 45 to 64, and 9.70% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 93.00 males. For every 100 females age 18 and over, there were 89.70 males.
The median income for a household in the county was $43,337, and the median income for a family was $53,223. Males had a median income of $35,939 versus $30,683 for females. The per capita income for the county was $23,156. About 9.80% of families and 13.40% of the population were below the poverty line, including 17.20% of those under age 18 and 12.30% of those age 65 or over.
Durham County is a member of the regional Triangle J Council of Governments. Durham County is governed by a five-member board of county commissioners, currently consisting of Chairman Michael D. Page, Vice Chairwoman Brenda A.Howerton, Fred Foster, Jr., Wendy S. Jacobs, and Ellen W. Reckhow. Each elected member serves a four-year term.