Marvin Flag

Marvin

County:
Grant County
County Seat:
No
Area (mi²):
0.547
State:
South Dakota

Marvin is a town located in Grant County, South Dakota. Marvin has a 2025 population of 20. Marvin 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 20 in 2020.

The average household income in Marvin is $32,175 with a poverty rate of 16.67%. The median age in Marvin is 59.5 years: 60.3 years for males, and 58.5 years for females.

20
Total Population
37
Density (mi²)
0 0%
Growth

Marvin Population

Marvin Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White1794.44%
Two or more races15.56%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Marvin Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marvin's average per capita income is $18,750. Household income levels show a median of $38,750. The poverty rate stands at 16.67%.

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
Families$41,250$35,660
Households$38,750$32,175
Married Families--
Non Families-$26,367

$18,750

Average Income

$38,750

Median Household Income

16.67%

Poverty Rate

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)