Spring Valley township Flag

Spring Valley township

County:
McCook County
County Seat:
No
Area (mi²):
35.795
State:
South Dakota

Spring Valley township is located in McCook County, South Dakota. Spring Valley township has a 2026 population of 384. Spring Valley township is currently declining at a rate of 0% annually and its population has increased by 4.35% since the most recent census, which recorded a population of 368 in 2020.

The median household income in Spring Valley township is $107,813 with a poverty rate of 0.74%. The median age in Spring Valley township is 30.6 years: 26.5 years for males, and 45.2 years for females. For every 100 females there are 110.9 males.

384
Total Population
11
Density (mi²)

Spring Valley township Population

Spring Valley township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202638400%
202538400%
202438400%
202338430.79%
202238192.42%
202137241.09%
202036810.27%
201932410.31%
201832341.25%
201731930.95%
201631651.61%
201531110.32%
2014310-2-0.64%
201331241.3%
201230830.98%
2011305-6-1.93%
201031010.32%

Median Age

Overall: 30.6 years
Female: 45.2 years
Male: 26.5 years

Spring Valley township Adults

There are 289 adults, (52 of whom are seniors) in Spring Valley township.

Sex Ratio

Female: 193 (47.4%)
Male: 214 (52.6%)

Demographics

The racial composition of Spring Valley township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White407100%
Race
Population ↓
Percentage (of total)
White407100%

Spring Valley township Marital Status

Economics and Income Statistics

Spring Valley township 's average per capita income is $53,375. Household income levels show a median of $107,813. The poverty rate stands at 0.74%.

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$161,250-
Families$151,250$135,481
Households$107,813$129,976
Non Families$100,313$120,213

$53,375

Average Income

$107,813

Median Household Income

0.74%

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)