North Little Rock is a city located in the U.S. state of Arkansas. It is within Pulaski County crossing the Arkansas River from Little Rock in the central part of the state. It has a total area of 54.85 square miles at 34°46′51″N 92°15′25″W. The elevation is 266 feet above sea level. As of the 2010 census data, it had a total population of 62,304. The population density was 1,278.63/sq mi. It has Zip codes 72114-119, 721124, 72190, 72199.