Spencer

County:: McCook County
County Seat:: No
Area (mi²):: 0.268
State:: South Dakota

Spencer is a city located in McCook County, South Dakota. Spencer has a 2025 population of 137. Spencer is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 137 in 2020.

The average household income in Spencer is $70,873 with a poverty rate of 0%. The median age in Spencer is 42.5 years: 35.8 years for males, and 45.1 years for females.

Demographics

The racial composition of Spencer includes 94.44% White, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	119	94.44%
Two or more races	6	4.76%
Native American	1	0.79%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Spencer Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spencer's average per capita income is $56,000. Household income levels show a median of $57,917. The poverty rate stands at 0%.

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	$73,333	-
Families	$73,125	$81,659
Households	$57,917	$70,873
Non Families	$19,375	$46,300

$56,000

Average Income

$57,917

Median Household Income

0%

Poverty Rate