Spencer Flag

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.

137
Total Population
511
Density (mi²)
0 0%
Growth

Spencer Population

Spencer Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Spencer includes 94.44% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White11994.44%
Two or more races64.76%
Native American10.79%

Spencer Marital Status

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

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

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)