From a total population of 4,340, Clear Lake has a median age of 44.5. The average age of males, in Clear Lake, is 43.1 while the average age of females is 45.9. When you compare this to median age of South Dakota, Clear Lake is 7.7 years older.
The median income of individuals, in Clear Lake, is $28,810 while the average household income is $52,717. When comparing the median income of people living in Clear Lake to the rest of South Dakota, the average income in Clear Lake is $2,499 more.