Oldham

County:: Kingsbury County
County Seat:: No
Area (mi²):: 0.246
State:: South Dakota

Oldham is a city located in Kingsbury County, South Dakota. Oldham has a 2025 population of 117. Oldham is currently declining at a rate of -0.85% annually and its population has decreased by -3.31% since the most recent census, which recorded a population of 121 in 2020.

The average household income in Oldham is $60,200 with a poverty rate of 19.39%. The median age in Oldham is 59.3 years: 62.1 years for males, and 58.8 years for females.

Demographics

The racial composition of Oldham includes 93.88% White, 3.06% Native American, and smaller percentages for 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	92	93.88%
Native American	3	3.06%
Two or more races	3	3.06%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Oldham Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oldham's average per capita income is $50,000. Household income levels show a median of $29,643. The poverty rate stands at 19.39%.

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	$93,750	-
Families	$83,750	$76,253
Households	$29,643	$60,200
Non Families	$26,250	$52,880

$50,000

Average Income

$29,643

Median Household Income

19.39%

Poverty Rate