Lemmon is a city in Perkins County, South Dakota, United States. The population was 1,227 at the 2010 census.
Lemmon is located at 45°56′22″N 102°9′36″W / 45.93944°N 102.16000°W / 45.93944; -102.16000 (45.939375, -102.160128). According to the United States Census Bureau, the city has a total area of 1.04 square miles (2.69 km), all of it land.
Lemmon’s north border is the Adams County, North Dakota, state line. To the east of Lemmon is Corson County and Standing Rock Indian Reservation.
As of the census of 2010, 1,227 people, 567 households, and 319 families resided in the city. The population density was 1,179.8 inhabitants per square mile (455.5/km). The 732 housing units averaged 703.8 per square mile (271.7/km). The racial makeup of the city was 96.3% White, 0.1% African American, 1.9% Native American, 0.2% Asian, 0.1% from other races, and 1.5% from two or more races. Hispanics or Latinos of any race were 0.7% of the population.
Of the 567 households, 20.8% had children under the age of 18 living with them, 46.7% were married couples living together, 6.9% had a female householder with no husband present, 2.6% had a male householder with no wife present, and 43.7% were not families. About 39.5% of all households were made up of individuals, and 20.7% had someone living alone who was 65 years of age or older. The average household size was 2.05 and the average family size was 2.73.
The median age in the city was 50.8 years; 17.4% of residents were under the age of 18; 5.4% were between the ages of 18 and 24; 18.3% were from 25 to 44; 31.2% were from 45 to 64; and 27.6% were 65 years of age or older. The gender makeup of the city was 47.6% male and 52.4% female.
As of the census of 2000, 1,398 people, 623 households, and 356 families resided in the city. The population density was 1,378.7 people per square mile (534.4/km²). The 776 housing units averaged 765.3 per square mile (296.6/km²). The racial makeup of the city was 95.99% White, 0.14% African American, 2.65% Native American, 0.36% Asian, 0.29% from other races, and 0.57% from two or more races. Hispanics or Latinos of any race were 0.50% of the population.
Of the 623 households, 25.2% had children under the age of 18 living with them, 47.5% were married couples living together, 7.9% had a female householder with no husband present, and 42.7% were not families. Around 40.3% of all households were made up of individuals, and 22.2% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.91.
In the city, the population was distributed as 22.9% under the age of 18, 6.3% from 18 to 24, 24.7% from 25 to 44, 18.7% from 45 to 64, and 27.5% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 84.2 males. For every 100 females age 18 and over, there were 81.2 males.
As of 2000, the median income for a household in the city was $28,109, and for a family was $37,813. Males had a median income of $27,426 versus $17,813 for females. The per capita income for the city was $17,272. About 8.0% of families and 12.0% of the population were below the poverty line, including 12.1% of those under age 18 and 16.0% of those age 65 or over.
Lemmon South Dakota neighborhoods include: Alcester, Baltic, Black Hawk, Box Elder, Brandon, Buffalo Ridge, Camp Crook, Canton, Caputa, Central City, Chancellor, Colton, Creighton, Crooks, Custer, Deadwood, Dell Rapids, Elkton, Ellsworth Afb, Garretson, Hartford, Hermosa, Hill City, Howes, Humboldt, Keystone, Lead, Ludlow, Montrose, Nemo, New Underwood, North Sioux City, Owanka, Parker, Quinn, Rapid City, Renner, Rowena, Saint Onge, Scenic, Sherman, Silver City, Sioux Falls, Spearfish, Sturgis, Valley Springs, Wall, Wanblee, Wasta, Whitewood