Split Rock township Flag

Split Rock township

County Seat:
No
Area (mi²):
28.95
State:
South Dakota

Split Rock township is located in Minnehaha County, South Dakota. Split Rock township has a 2026 population of 3,036. Split Rock township is currently declining at a rate of -0.62% annually and its population has decreased by -5.18% since the most recent census, which recorded a population of 3,202 in 2020.

The median household income in Split Rock township is $147,717 with a poverty rate of 0.57%. The median age in Split Rock township is 49.3 years: 49.4 years for males, and 48.4 years for females. For every 100 females there are 97.9 males.

3K
Total Population
105
Density (mi²)
-19 -0.62%
Growth

Split Rock township Population

Split Rock township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,036-19-0.62%
20253,055-19-0.62%
20243,074-19-0.61%
20233,093-61-1.93%
20223,154-14-0.44%
20213,168-34-1.06%
20203,20210.03%
20193,17510.03%
20183,174-43-1.34%
20173,217-6-0.19%
20163,223110.34%
20153,212-6-0.19%
20143,218-5-0.16%
20133,223210.66%
20123,202411.3%
20113,161-87-2.68%
20103,15200%

Median Age

Overall: 49.3 years
Female: 48.4 years
Male: 49.4 years

Split Rock township Adults

There are 2,444 adults, (537 of whom are seniors) in Split Rock township.

Sex Ratio

Female: 1,588 (50.5%)
Male: 1,555 (49.5%)

Demographics

The racial composition of Split Rock township includes 95.29% White, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,99595.29%
Two or more races812.58%
Other race672.13%
Race
Population ↓
Percentage (of total)
Two or more races170.54%
Race
Population ↓
Percentage (of total)
White2,99595.29%
Other race672.13%
Two or more races642.04%

Split Rock township Marital Status

Economics and Income Statistics

Split Rock township 's average per capita income is $66,732. Household income levels show a median of $147,717. The poverty rate stands at 0.57%.

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$166,310-
Families$158,631$205,511
Households$147,717$191,435
Non Families$65,625$78,223

$66,732

Average Income

$147,717

Median Household Income

0.57%

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)