Kennebec

County:: Lyman County
County Seat:: No
Area (mi²):: 0.853
State:: South Dakota

Kennebec is a town located in Lyman County, South Dakota. Kennebec has a 2025 population of 288. Kennebec is currently growing at a rate of 0.7% annually and its population has increased by 3.6% since the most recent census, which recorded a population of 278 in 2020.

The average household income in Kennebec is $83,728 with a poverty rate of 9.81%.The median age in Kennebec is 33.2 years: 39.1 years for males, and 30.7 years for females.

Demographics

The racial composition of Kennebec includes 93.46% White, 4.63% Native American, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	343	93.46%
Native American	17	4.63%
Two or more races	7	1.91%

Kennebec Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Kennebec's average per capita income is $49,950. Household income levels show a median of $71,667. The poverty rate stands at 9.81%.

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	$105,192	-
Families	$91,719	$105,606
Households	$71,667	$83,728
Non Families	-	$50,297

$49,950

Average Income

$71,667

Median Household Income

9.81%

Poverty Rate