Gary is a city in Deuel County, South Dakota, United States.

[6] South Dakota Highway 101 serves as the main route of the community.

[9] According to the United States Census Bureau, the city has a total area of 0.69 square miles (1.79 km2), all land.

[10] The West Branch of the Lac qui Parle River flows through the city as a spring fed stream near its headwaters.

47.5% of all households were made up of individuals, and 23.3% had someone living alone who was 65 years of age or older.

50.0% of all households were made up of individuals, and 31.3% had someone living alone who was 65 years of age or older.

About 12.9% of families and 13.9% of the population were below the poverty line, including 14.6% of those under the age of eighteen and 24.3% of those 65 or over.