Kennebec Flag

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 285 . Kennebec is currently declining at a rate of -0.35% annually but its population has increased by 2.52% since the most recent census, which recorded a population of 278 in 2020.

The median household income in Kennebec is $71,667 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. For every 100 females there are 78.2 males.

285
Total Population
334
Density (mi²)
-1 -0.35%
Growth

Kennebec Population

Kennebec Population

Data after 2023 is projected based on recent change

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

White (93.46%)

Native American (4.63%)

Two or more races (1.91%)

Race
Population
Percentage (of total)
White34393.46%
Native American174.63%
Two or more races71.91%

Kennebec Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)