Lake Poinsett

County:: Brookings County
County Seat:: No
Area (mi²):: 4.888
State:: South Dakota

Lake Poinsett is a CDP located in Brookings County, South Dakota. Lake Poinsett has a 2025 population of 424. Lake Poinsett is currently declining at a rate of -1.17% annually and its population has decreased by -11.67% since the most recent census, which recorded a population of 480 in 2020.

The average household income in Lake Poinsett is $112,224 with a poverty rate of 6.05%.The median age in Lake Poinsett is 58.2 years: 59 years for males, and 55.2 years for females.

Demographics

The racial composition of Lake Poinsett includes 91.04% White, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	376	91.04%
Two or more races	37	8.96%

Lake Poinsett Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake Poinsett's average per capita income is $49,063. Household income levels show a median of $101,136. The poverty rate stands at 6.05%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$114,063	-
Families	$107,955	$121,449
Households	$101,136	$112,224
Non Families	$68,929	$66,717

$49,063

Average Income

$101,136

Median Household Income

6.05%

Poverty Rate