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 2026 population of 45. Grenville is currently declining at a rate of 0% annually and its population has increased by 2.27% since the most recent census, which recorded a population of 44 in 2020.

The median household income in Grenville is $90,385 with a poverty rate of 5.66%. The median age in Grenville is 57.8 years: 63.5 years for males, and 56.7 years for females. For every 100 females there are 96.3 males.

45
Total Population
190
Density (mi²)

Grenville Population

Grenville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264500%
20254500%
20244512.27%
202344-1-2.22%
20224500%
20214512.27%
20204400%
201950-1-1.96%
20185100%
20175100%
20165100%
20155112%
201450-1-1.96%
201351-1-1.92%
20125200%
201152-2-3.7%
20105200%

Median Age

Overall: 57.8 years
Female: 56.7 years
Male: 63.5 years

Grenville Adults

There are 53 adults, (22 of whom are seniors) in Grenville.

Sex Ratio

Female: 27 (50.9%)
Male: 26 (49.1%)

Demographics

The racial composition of Grenville includes 94.34% White, 5.66% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5094.34%
Other race35.66%
Race
Population ↓
Percentage (of total)
Other race35.66%
Race
Population ↓
Percentage (of total)
White5094.34%

Grenville Marital Status

Economics and Income Statistics

Grenville 's average per capita income is $0. Household income levels show a median of $90,385. The poverty rate stands at 5.66%.

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
Households$90,385$79,717
Families$90,385$77,632
Married Families$90,385-
Non Families-$85,450

$0

Average Income

$90,385

Median Household Income

5.66%

Poverty Rate

Nearby Cities

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)