Lake County, SD — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
11,052
Male
5,807
52.5%
Female
5,245
47.5%
Median Age
43.7 yrs
Avg Household Size
2.3
Foreign Born
2.6%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher24.2%
High School or Higher41.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.7%
Disability
0.0%
Non-English Home
4.4%
Married
46.1%
Lake County, SD has a population of 11,052 according to 2023 Census Bureau estimates. The median age is 43.7 years. The largest racial or ethnic group is White at 92.1% of the population. 24.2% of residents hold a bachelor's degree or higher. 2.6% of residents are foreign-born.