Mount Vernon Flag

Mount Vernon

County:
Davison County
County Seat:
No
Area (mi²):
0.34
State:
South Dakota

Mount Vernon is a city located in Davison County, South Dakota. Mount Vernon has a 2026 population of 463. Mount Vernon is currently growing at a rate of 0.22% annually and its population has increased by 1.09% since the most recent census, which recorded a population of 458 in 2020.

The median household income in Mount Vernon is $60,357 with a poverty rate of 4.98%. The median age in Mount Vernon is 28.8 years: 28.6 years for males, and 32.7 years for females. For every 100 females there are 127.8 males.

463
Total Population
1,363
Density (mi²)
1 0.22%
Growth

Mount Vernon Population

Mount Vernon Population

Year ↓
Population
Growth
Annual Change
202646310.22%
202546200%
202446220.43%
2023460-2-0.43%
202246220.43%
202146020.44%
2020458-1-0.22%
2019438-1-0.23%
2018439-1-0.23%
2017440-10-2.22%
201645010.22%
201544900%
2014449-13-2.81%
2013462-3-0.65%
201246520.43%
201146310.22%
2010461-1-0.22%

Median Age

Overall: 28.8 years
Female: 32.7 years
Male: 28.6 years

Mount Vernon Adults

There are 328 adults, (48 of whom are seniors) in Mount Vernon.

Sex Ratio

Female: 194 (43.9%)
Male: 248 (56.1%)

Demographics

The racial composition of Mount Vernon includes 92.08% White, 4.52% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White40792.08%
Native American204.52%
Two or more races153.39%
Race
Population ↓
Percentage (of total)
White40792.08%
Native American204.52%
Two or more races153.39%

Mount Vernon Marital Status

Economics and Income Statistics

Mount Vernon's average per capita income is $42,292. Household income levels show a median of $60,357. The poverty rate stands at 4.98%.

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$92,292-
Families$90,417$101,966
Households$60,357$71,835
Non Families$24,590$41,896

$42,292

Average Income

$60,357

Median Household Income

4.98%

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)