Big Stone township Flag

Big Stone township

County:
Grant County
County Seat:
No
Area (mi²):
31.644
State:
South Dakota

Big Stone township is located in Grant County, South Dakota. Big Stone township has a 2026 population of 312. Big Stone township is currently declining at a rate of -1.58% annually and its population has decreased by -1.27% since the most recent census, which recorded a population of 316 in 2020.

The median household income in Big Stone township is $110,759 with a poverty rate of 0.23%. The median age in Big Stone township is 32.6 years: 32.7 years for males, and 32.6 years for females. For every 100 females there are 111.9 males.

312
Total Population
9.9
Density (mi²)
-5 -1.58%
Growth

Big Stone township Population

Big Stone township Population

Year ↓
Population
Growth
Annual Change
2026312-5-1.58%
2025317-5-1.55%
202432220.63%
202332041.27%
2022316-3-0.94%
202131930.95%
2020316-1-0.32%
201931200%
2018312-2-0.64%
201731400%
201631410.32%
2015313-2-0.63%
2014315-1-0.32%
2013316-1-0.32%
201231720.63%
201131510.32%
2010313-1-0.32%

Median Age

Overall: 32.6 years
Female: 32.6 years
Male: 32.7 years

Big Stone township Adults

There are 331 adults, (24 of whom are seniors) in Big Stone township.

Sex Ratio

Female: 201 (47.2%)
Male: 225 (52.8%)

Demographics

The racial composition of Big Stone township includes 97.65% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White41697.65%
Asian102.35%
Race
Population ↓
Percentage (of total)
White41697.65%
Asian102.35%

Big Stone township Marital Status

Economics and Income Statistics

Big Stone township's average per capita income is $72,882. Household income levels show a median of $110,759. The poverty rate stands at 0.23%.

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$111,429-
Families$111,071$131,376
Households$110,759$128,051
Non Families$54,583$56,443

$72,882

Average Income

$110,759

Median Household Income

0.23%

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)