As of the census of 2000, there were 110,757 people, 41,306 households, and 28,459 families residing in the county. The population density was 223 people per square mile (86/km²). There were 46,000 housing units at an average density of 93 per square mile (36/km²). The racial makeup of the county was 90.27% White, 6.82% Black or African American, 0.16% Native American, 1.18% Asian, 0.01% Pacific Islander, 0.70% from other races, and 0.85% from two or more races. 1.70% of the population were Hispanic or Latino of any race. 27.9% were of American, 11.8% English, 11.6% Irish, 10.3% German and 5.0% Scotch-Irish ancestry according to Census 2000.
There were 41,306 households out of which 31.20% had children under the age of 18 living with them, 55.60% were married couples living together, 9.40% had a female householder with no husband present, and 31.10% were non-families. 23.30% of all households were made up of individuals and 8.20% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 2.95.
In the county, the population was spread out with 22.30% under the age of 18, 17.50% from 18 to 24, 27.60% from 25 to 44, 21.20% from 45 to 64, and 11.40% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 99.60 males. For every 100 females age 18 and over, there were 98.20 males.
The median income for a household in the county was $36,214, and the median income for a family was $44,507. Males had a median income of $31,795 versus $22,600 for females. The per capita income for the county was $17,434. About 7.80% of families and 13.70% of the population were below the poverty line, including 12.20% of those under age 18 and 11.70% of those age 65 or over.