Mount Olive is a town in Covington County, Mississippi, United States. The population was 982 at the 2010 census. It was the hometown of former NFL quarterback Steve McNair. Mount Olive is also the hometown of 2015 Miss Mississippi Hannah Roberts Badon and 2010 Miss Mississippi Breanne Ponder.
Mount Olive is located in northwestern Covington County at 31°45′24″N 89°39′13″W / 31.75667°N 89.65361°W / 31.75667; -89.65361 (31.756729, -89.653648). U.S. Route 49, a four-lane divided highway, follows the western border of the town and leads northwest 52 miles (84 km) to Jackson, the state capital, and 38 miles (61 km) southeast to Hattiesburg. Mississippi Highway 35 passes through the southern end of town and leads northeast 10 miles (16 km) to Mize and southwest 39 miles (63 km) to Columbia.
According to the United States Census Bureau, the town has a total area of 3.1 square miles (8.0 km), all land. It is in the valley of Okatoma Creek, part of the Pascagoula River watershed.
As of the census of 2000, there were 893 people, 348 households, and 239 families residing in the town. The population density was 738.5 people per square mile (284.9/km²). There were 396 housing units at an average density of 327.5 per square mile (126.4/km²). The racial makeup of the town was 46.81% White, 51.96% African American, 0.11% Pacific Islander, and 1.12% from two or more races. Hispanic or Latino of any race were 0.56% of the population.
There were 348 households out of which 33.3% had children under the age of 18 living with them, 37.4% were married couples living together, 25.0% had a female householder with no husband present, and 31.3% were non-families. 30.5% of all households were made up of individuals and 14.1% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.19.
In the town, the population was spread out with 30.5% under the age of 18, 8.5% from 18 to 24, 25.3% from 25 to 44, 21.8% from 45 to 64, and 13.9% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 83.7 males. For every 100 females age 18 and over, there were 76.4 males.
The median income for a household in the town was $22,019, and the median income for a family was $26,146. Males had a median income of $26,250 versus $16,719 for females. The per capita income for the town was $11,008. About 26.9% of families and 34.2% of the population were below the poverty line, including 47.4% of those under age 18 and 24.6% of those age 65 or over.