Mound City is a city located along the Ohio River in Pulaski County, Illinois, United States. As of the 2010 census, the city population was 588. It is the county seat of Pulaski County.
Mound City is located at 37°5′8″N 89°9′47″W / 37.08556°N 89.16306°W / 37.08556; -89.16306 (37.085624, -89.163054).
According to the 2010 census, Mound City has a total area of 0.729 square miles (1.89 km), of which 0.67 square miles (1.74 km) (or 91.91%) is land and 0.059 square miles (0.15 km) (or 8.09%) is water.
The majority of the Native American mounds for which the city was named have been destroyed by development and farming.
As of the census of 2010, there were 588 people and 270 households. The racial makeup of the city was 44.39% White, 53.4% African American, a single Asian, three individuals from other races, and eight individuals from two or more races. There were nine people who were Hispanic or Latino of any race.
As of the census of 2000, there were 692 people, 279 households, and 178 families residing in the city. The population density was 973.5 people per square mile (376.3/km²). There were 319 housing units at an average density of 448.8 per square mile (173.5/km²). The racial makeup of the city was 49.57% White, 49.57% African American, 0.14% Asian, 0.14% from other races, and 0.58% from two or more races. Hispanic or Latino people of any race were 1.16% of the population.
There were 279 households out of which 40.1% had children under the age of 18 living with them, 30.5% were married couples living together, 30.5% had a female householder with no husband present, and 36.2% were non-families. 31.2% of all households were made up of individuals and 13.6% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.12.
In the city, the population was spread out with 32.5% under the age of 18, 11.0% from 18 to 24, 26.9% from 25 to 44, 17.8% from 45 to 64, and 11.8% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 71.7 males. For every 100 females age 18 and over, there were 65.0 males.
The median income for a household in the city was $16,607, and the median income for a family was $22,143. Males had a median income of $35,469 versus $15,583 for females. The per capita income for the city was $10,020. About 35.5% of families and 39.3% of the population were below the poverty line, including 47.5% of those under age 18 and 26.0% of those age 65 or over.