Delmont Flag

Delmont

County:
Douglas County
County Seat:
No
Area (mi²):
0.763
State:
South Dakota

Delmont is a city located in Douglas County, South Dakota. Delmont has a 2026 population of 153. Delmont is currently declining at a rate of 0% annually and its population has decreased by -1.29% since the most recent census, which recorded a population of 155 in 2020.

The median household income in Delmont is $42,000 with a poverty rate of 18.03%. The median age in Delmont is 61.2 years: 61 years for males, and 61.2 years for females. For every 100 females there are 108.0 males.

153
Total Population
201
Density (mi²)

Delmont Population

Delmont Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202615300%
2025153-1-0.65%
202415400%
202315421.32%
2022152-1-0.65%
2021153-2-1.29%
202015500%
2019216-2-0.92%
201821800%
2017218-3-1.36%
2016221-4-1.78%
201522520.9%
2014223-5-2.19%
2013228-1-0.44%
2012229-2-0.87%
2011231-3-1.28%
2010233-1-0.43%

Median Age

Overall: 61.2 years
Female: 61.2 years
Male: 61 years

Delmont Adults

There are 145 adults, (60 of whom are seniors) in Delmont.

Sex Ratio

Female: 88 (48.1%)
Male: 95 (51.9%)

Demographics

The racial composition of Delmont includes 84.7% White, and smaller percentages for Native American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White15584.7%
Two or more races2212.02%
Native American52.73%
Other race10.55%
Race
Population ↓
Percentage (of total)
White52.73%
Two or more races21.09%
Other race10.55%
Race
Population ↓
Percentage (of total)
White15081.97%
Two or more races2010.93%
Native American52.73%

Delmont Marital Status

Economics and Income Statistics

Delmont 's average per capita income is $41,250. Household income levels show a median of $42,000. The poverty rate stands at 18.03%.

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$103,750-
Families$100,000$84,288
Households$42,000$58,885
Non Families$20,625$25,860

$41,250

Average Income

$42,000

Median Household Income

18.03%

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)