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, Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Native American

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	343	93.46%
Native American	17	4.63%
Two or more races	7	1.91%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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