Mount Vernon township Flag

Mount Vernon township

County:
Davison County
County Seat:
No
Area (mi²):
36.171
State:
South Dakota

Mount Vernon township is located in Davison County, South Dakota. Mount Vernon township has a 2026 population of 167. Mount Vernon township is currently declining at a rate of 0% annually and its population has increased by 0.6% since the most recent census, which recorded a population of 166 in 2020.

The median household income in Mount Vernon township is $105,000 with a poverty rate of 0%. The median age in Mount Vernon township is 37 years: 38.3 years for males, and 34.5 years for females. For every 100 females there are 98.0 males.

167
Total Population
4.6
Density (mi²)

Mount Vernon township Population

Mount Vernon township Population

Year ↓
Population
Growth
Annual Change
202616700%
202516700%
202416710.6%
2023166-1-0.6%
202216700%
202116710.6%
202016600%
201918500%
201818510.54%
2017184-5-2.65%
201618900%
2015189-1-0.53%
2014190-5-2.56%
201319510.52%
201219421.04%
201119231.59%
201018900%

Median Age

Overall: 37 years
Female: 34.5 years
Male: 38.3 years

Mount Vernon township Adults

There are 128 adults, (15 of whom are seniors) in Mount Vernon township.

Sex Ratio

Female: 100 (50.5%)
Male: 98 (49.5%)

Demographics

The racial composition of Mount Vernon township includes 97.98% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White19497.98%
Two or more races42.02%
Race
Population ↓
Percentage (of total)
White19497.98%
Two or more races42.02%

Mount Vernon township Marital Status

Economics and Income Statistics

Mount Vernon township's average per capita income is $49,844. Household income levels show a median of $105,000. The poverty rate stands at 0%.

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
Non Families$135,500$104,942
Households$105,000$165,726
Married Families$104,375-
Families$103,750$197,326

$49,844

Average Income

$105,000

Median Household Income

0%

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)