Saline County is a U.S. county located in the U.S. state of Arkansas. Its population was 83,529 at the 2000 census. Its county seat and largest city is Benton. Saline County is included in the Little Rock–North Little Rock–Conway Metropolitan Statistical Area.
As of the census of 2000, there were 83,529 people, 31,778 households, and 24,500 families residing in the county. The population density was 116 people per square mile (45/km²). There were 33,825 housing units at an average density of 47 per square mile (18/km²). The racial makeup of the county was 95.27% White, 2.20% Black or African American, 0.49% Native American, 0.57% Asian, 0.03% Pacific Islander, 0.45% from other races, and 1.00% from two or more races. 1.30% of the population were Hispanic or Latino of any race.
There were 31,778 households out of which 35.40% had children under the age of 18 living with them, 63.80% were married couples living together, 9.70% had a female householder with no husband present, and 22.90% were non-families. 19.60% of all households were made up of individuals and 7.50% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 2.94.
In the county the population was spread out with 25.50% under the age of 18, 7.70% from 18 to 24, 30.20% from 25 to 44, 24.20% from 45 to 64, and 12.50% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 98.10 males. For every 100 females age 18 and over, there were 95.30 males.
The median income for a household in the county was $42,569, and the median income for a family was $48,717. Males had a median income of $32,052 versus $23,294 for females. The per capita income for the county was $19,214. About 5.00% of families and 7.20% of the population were below the poverty line, including 8.80% of those under age 18 and 7.30% of those age 65 or over.