Jacksonville is located in Pulaski County, Arkansas, and a suburb of Little Rock. As of the 2010 census, the population of the city was 28,364. It is part of the Little Rock–North Little Rock–Conway Metropolitan Statistical Area.
The median income for a household in the city was $35,460, and the median income for a family was $40,381. Males had a median income of $26,708 versus $21,804 for females. The per capita income for the city was $16,369. About 11.9% of families and 14.2% of the population were below the poverty line, including 20.5% of those under age 18 and 7.9% of those age 65 or over.