Okolona is a city in and one of the two county seats of Chickasaw County, Mississippi, United States. It is located near the eastern border of the county. The population was 2,692 at the 2010 census.
According to the United States Census Bureau, the city has a total area of 6.66 square miles (17.26 km), of which 6.64 square miles (17.21 km) is land and 0.02 square miles (0.04 km), or 0.23%, is water.
As highways were built, they passed through the city, connecting it with other towns. This is the location of the junction of former U.S. Route 45 Alternate (Church Street) and Mississippi Highway 32 (Monroe Avenue). US-45A now bypasses the town to the east as a four-lane divided highway.
As of the 2010 United States Census, there were 2,692 people residing in the city. 70.0% were African American, 27.9% White, 0.0% Native American, 0.1% Asian, 0.9% from some other race and 1.1% of two or more races. 1.3% were Hispanic or Latino of any race.
As of the census of 2000, there are 3,056 people, 1,177 households, and 786 families residing in the city. The population density is 481.8 people per square mile (186.1/km²). There are 1,315 housing units at an average density of 207.3 per square mile (80.1/km²). The racial makeup of the city is 39.40% White, 59.62% African American, 0.03% Native American, 0.13% Asian, 0.13% from other races, and 0.69% from two or more races. 1.05% of the population are Hispanic or Latino of any race.
There are 1,177 households out of which 33.8% have children under the age of 18 living with them, 35.6% are married couples living together, 28.1% have a female householder with no husband present, and 33.2% are non-families. 30.2% of all households are made up of individuals and 14.8% have someone living alone who is 65 years of age or older. The average household size is 2.54 and the average family size is 3.16.
In the city, the population is spread out with 30.0% under the age of 18, 8.9% from 18 to 24, 24.7% from 25 to 44, 22.0% from 45 to 64, and 14.5% who are 65 years of age or older. The median age is 34 years. For every 100 females, there are 77.2 males. For every 100 females age 18 and over, there are 71.6 males.
The median income for a household in the city is $20,000, and the median income for a family is $32,147. Males have a median income of $26,217 versus $17,276 for females. The per capita income for the city is $11,486. 35.4% of the population and 29.7% of families are below the poverty line. Out of the total people living in poverty, 55.4% are under the age of 18 and 20.9% are 65 or older.