Okolona is a village located in the U.S. state of Arkansas. It is within Clark County going northeast 21 miles of its county seat, the Arkadelphia. It has a total area of 0.78 square miles at 34°0′2″N 93°20′15″W.The elevation is 371 feet above sea level. As of the 2010 census data, it had a total population of 147. The population density was 183.33/sq mi. Estimated per capita income in 2015 was $19,916. Recent job growth is positively increased by 1.78 percent. The average travel time is 20 minutes. It has Zip code 71962.