Clear Lake (Dakota: mdéza; "Clear") is a city in and the county seat of Deuel County, South Dakota, United States. The population was 1,218 at the 2020 census.
History
The city was named after the local Clear Lake.
Geography
According to the United States Census Bureau, the city has a total area of , of which is land and is water.
Climate
Clear Lake has a dry-winter humid continental climate (Köppen Dwb).
Demographics
2020 census
As of the 2020 census, Clear Lake had a population of 1,218. The median age was 44.5 years. 22.9% of residents were under the age of 18 and 24.5% of residents were 65 years of age or older. For every 100 females there were 92.4 males, and for every 100 females age 18 and over there were 89.3 males age 18 and over.
0.0% of residents lived in urban areas, while 100.0% lived in rural areas.
There were 522 households in Clear Lake, of which 24.5% had children under the age of 18 living in them. Of all households, 48.5% were married-couple households, 18.4% were households with a male householder and no spouse or partner present, and 25.3% were households with a female householder and no spouse or partner present. About 35.8% of all households were made up of individuals and 18.4% had someone living alone who was 65 years of age or older.
! Race !! Number !! Percent
|-
| White || 1,169 || 96.0%
|-
| Black or African American || 5 || 0.4%
|-
| American Indian and Alaska Native || 19 || 1.6%
|-
| Asian || 0 || 0.0%
|-
| Native Hawaiian and Other Pacific Islander || 3 || 0.2%
|-
| Some other race || 5 || 0.4%
|-
| Two or more races || 17 || 1.4%
|-
| Hispanic or Latino (of any race) || 17 || 1.4%
|}
2010 census
As of the census of 2010, there were 1,273 people, 552 households, and 338 families living in the city. The population density was . There were 617 housing units at an average density of . The racial makeup of the city was 97.6% White, 0.4% African American, 0.1% Asian, 0.4% from other races, and 1.5% from two or more races. Hispanic or Latino of any race were 1.0% of the population.
There were 552 households, of which 27.4% had children under the age of 18 living with them, 49.5% were married couples living together, 8.2% had a female householder with no husband present, 3.6% had a male householder with no wife present, and 38.8% were non-families. 35.7% of all households were made up of individuals, and 18.5% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.85.
The median age in the city was 44.3 years. 21.7% of residents were under the age of 18; 7% were between the ages of 18 and 24; 22.3% were from 25 to 44; 25% were from 45 to 64; and 23.9% were 65 years of age or older. The gender makeup of the city was 48.8% male and 51.2% female.
2000 census
As of the census