Milbank

County:: Grant County
County Seat:: No
Area (mi²):: 2.774
State:: South Dakota

Milbank is a city located in Grant County, South Dakota. Milbank has a 2025 population of 3,500. Milbank is currently declining at a rate of -0.17% annually and its population has decreased by -0.85% since the most recent census, which recorded a population of 3,530 in 2020.

The average household income in Milbank is $84,578 with a poverty rate of 13.63%.The median age in Milbank is 42.3 years: 37.9 years for males, and 47.1 years for females.

Demographics

The racial composition of Milbank includes 87.3% White, 6.32% other race, 3.53% Native American, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,067	87.3%
Other race	222	6.32%
Native American	124	3.53%
Two or more races	100	2.85%

Milbank Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Milbank's average per capita income is $36,134. Household income levels show a median of $58,462. The poverty rate stands at 13.63%.

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	$88,625	-
Families	$87,700	$115,243
Households	$58,462	$84,578
Non Families	$21,132	$27,225

$36,134

Average Income

$58,462

Median Household Income

13.63%

Poverty Rate