Columbia

County:: Brown County
County Seat:: No
Area (mi²):: 1.517
State:: South Dakota

Columbia is a city located in Brown County, South Dakota. Columbia has a 2025 population of 155. Columbia is currently declining at a rate of 0% annually and its population has decreased by -1.27% since the most recent census, which recorded a population of 157 in 2020.

The average household income in Columbia is $74,874 with a poverty rate of 1.18%. The median age in Columbia is 32 years: 18.6 years for males, and 39.3 years for females.

Demographics

The racial composition of Columbia includes 99.41% White, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	169	99.41%
Native American	1	0.59%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Columbia Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Columbia's average per capita income is $38,333. Household income levels show a median of $59,038. The poverty rate stands at 1.18%.

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	$95,781	-
Families	$59,688	$87,786
Households	$59,038	$74,874
Non Families	$38,125	$51,132

$38,333

Average Income

$59,038

Median Household Income

1.18%

Poverty Rate