Jacksonville is a city located in the U.S. state of Arkansas. It is within Pulaski County included in the Little Rock-North Little Rock–Conway Metropolitan Statistical Area. It has a total area of 29.08 square miles at 34°52′13″N 92°06′55″W. The elevation is 285 feet above sea level. As of the 2010 census data, it had a total population of 28,364. The population density was 988.29/sq mi. Estimated per capita income in 2015 was $20,451. It is using Zip code 72076.