Lowndes County is a county located on the eastern border of the U.S. state of Mississippi. As of the 2010 census, the population was 59,779. Its county seat is Columbus. The county is named for U.S. Congressman William Jones Lowndes.
According to the U.S. Census Bureau, the county has a total area of 516 square miles (1,340 km), of which 506 square miles (1,310 km) is land and 11 square miles (28 km) (2.1%) is water.
As of the 2010 United States Census, there were 59,779 people residing in the county. 54.0% were White, 43.5% Black or African American, 0.7% Asian, 0.2% Native American, 0.1% Pacific Islander, 0.6% of some other race and 1.1% of two or more races. 1.5% were Hispanic or Latino (of any race).
As of the census of 2000, there were 61,586 people, 22,849 households, and 16,405 families residing in the county. The population density was 123 people per square mile (47/km²). There were 25,104 housing units at an average density of 50 per square mile (19/km²). The racial makeup of the county was 56.47% White, 41.56% Black or African American, 0.17% Native American, 0.54% Asian, 0.03% Pacific Islander, 0.39% from other races, and 0.85% from two or more races. 1.11% of the population were Hispanic or Latino of any race.
There were 22,849 households out of which 36.50% had children under the age of 18 living with them, 49.20% were married couples living together, 18.70% had a female householder with no husband present, and 28.20% were non-families. 24.60% of all households were made up of individuals and 8.90% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.13.
In the county, the population was spread out with 28.60% under the age of 18, 10.60% from 18 to 24, 29.20% from 25 to 44, 20.40% from 45 to 64, and 11.20% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 89.90 males. For every 100 females age 18 and over, there were 84.20 males.
The median income for a household in the county was $32,123, and the median income for a family was $38,248. Males had a median income of $31,792 versus $20,640 for females. The per capita income for the county was $16,514. About 18.00% of families and 21.30% of the population were below the poverty line, including 31.80% of those under age 18 and 16.80% of those age 65 or over.