Grenville Flag

Grenville

County:
Day County
County Seat:
No
Area (mi²):
0.237
State:
South Dakota

Grenville is a town located in Day County, South Dakota. Grenville has a 2025 population of 46. Grenville 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 46 in 2020.

The average household income in Grenville is $66,423 with a poverty rate of 17.14%. The median age in Grenville is 57.7 years: 57.9 years for males, and 56.9 years for females.

46
Total Population
194
Density (mi²)
0 0%
Growth

Grenville Population

Grenville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Grenville includes 97.14% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, Two or more races and multiracial populations.

Population by Race

White

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Two or more races

Race
Population
Percentage (of total)
White6897.14%
Other race22.86%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Two or more races00%

Grenville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grenville's average per capita income is $18,750. Household income levels show a median of $83,125. The poverty rate stands at 17.14%.

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$87,604-
Households$83,125$66,423
Families$83,125$63,867
Non Families-$63,375

$18,750

Average Income

$83,125

Median Household Income

17.14%

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)