McLaughlin (Lakota: matȟó Akíčita or Makáȟleča; "Bear Soldier") is a city in northeastern Corson County, South Dakota, United States. The population was 663 at the 2010 census. It is the largest city in the southern Standing Rock Indian Reservation. Most Lakȟóta speakers refer to the town as Makáȟleča or Matȟó Akíčita.

The town is named after a US Indian Service Agent James McLaughlin, who supervised the Standing Rock Indian Agency from 1881 to 1895. He moved to Washington, D.C., where he was Inspector of the Bureau of Indian Affairs and Department of the Interior. After McLaughlin's death in 1923, his body was returned here for burial.

According to the United States Census Bureau, the city has a total area of 0.40 square miles (1.04 km), all land.

Historical population

Census	Pop.	Note	%±
1920	555		—
1930	678		22.2%
1940	660		−2.7%
1950	713		8.0%
1960	983		37.9%
1970	863		−12.2%
1980	754		−12.6%
1990	780		3.4%
2000	775		−0.6%
2010	663		−14.5%
2020	569		−14.2%
U.S. Decennial Census

At the 2010 census, there were 663 people, 233 households and 154 families residing in the city. The population density was 1,657.5 per square mile (640.0/km). There were 270 housing units at an average density of 675.0 per square mile (260.6/km). The racial makeup of the city was 28.1% White, 65.3% Native American, 0.9% Asian, 0.2% Pacific Islander, 1.1% from other races, and 4.5% from two or more races. Hispanic or Latino of any race were 3.8% of the population.

There were 233 households, of which 43.8% had children under the age of 18 living with them, 33.9% were married couples living together, 21.9% had a female householder with no husband present, 10.3% had a male householder with no wife present, and 33.9% were non-families. 29.2% of all households were made up of individuals, and 9% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.54.

The median age was 31 years. 31.8% of residents were under the age of 18; 10.7% were between the ages of 18 and 24; 21.6% were from 25 to 44; 24.2% were from 45 to 64; and 11.8% were 65 years of age or older. The gender makeup of the city was 49.2% male and 50.8% female.

At the 2000 census, there were 775 people, 268 households and 181 families residing in the city. The population density was 1,835.1 inhabitants per square mile (708.5/km). There were 291 housing units at an average density of 689.1 per square mile (266.1/km). The racial makeup of the city was 41.29% White, 0.13% African American, 55.74% Native American, 0.13% from other races, and 2.71% from two or more races. Hispanic or Latino of any race were 4.77% of the population.

There were 268 households, of which 33.6% had children under the age of 18 living with them, 40.7% were married couples living together, 20.9% had a female householder with no husband present, and 32.1% were non-families. 27.6% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older. The average household size was 2.89 and the average family size was 3.48.

33.3% of the population were under the age of 18, 9.7% from 18 to 24, 25.9% from 25 to 44, 18.5% from 45 to 64, and 12.6% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 93.3 males. For every 100 females age 18 and over, there were 86.0 males.

The median household income was $22,500 and the median family income was $31,111. Males had a median income of $22,500 and females $18,229. The per capita income was $10,682. About 15.8% of families and 25.8% of the population were below the poverty line, including 34.8% of those under age 18 and 30.0% of those age 65 or over.

• List of towns in South Dakota

Media related to McLaughlin, South Dakota at Wikimedia Commons