Crystal Lake township Flag

Crystal Lake township

County:
Aurora County
County Seat:
No
Area (mi²):
35.809
State:
South Dakota

Crystal Lake township is located in Aurora County, South Dakota. Crystal Lake township has a 2026 population of 39. Crystal Lake township is currently declining at a rate of -2.5% annually and its population has decreased by -7.14% since the most recent census, which recorded a population of 42 in 2020.

The median household income in Crystal Lake township is $86,389 with a poverty rate of 0%. The median age in Crystal Lake township is 59.6 years: 57.9 years for males, and 63.8 years for females. For every 100 females there are 95.5 males.

39
Total Population
1.1
Density (mi²)
-1 -2.5%
Growth

Crystal Lake township Population

Crystal Lake township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202639-1-2.5%
202540-1-2.44%
202441-1-2.38%
20234200%
20224200%
20214200%
20204200%
20195200%
20185200%
201752-1-1.89%
20165300%
20155323.92%
20145112%
201350-1-1.96%
20125100%
20115100%
20105100%

Median Age

Overall: 59.6 years
Female: 63.8 years
Male: 57.9 years

Crystal Lake township Adults

There are 43 adults, (9 of whom are seniors) in Crystal Lake township.

Sex Ratio

Female: 22 (51.2%)
Male: 21 (48.8%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White43100%
Race
Population ↓
Percentage (of total)
White43100%

Crystal Lake township Marital Status

Economics and Income Statistics

Crystal Lake township 's average per capita income is $43,333. Household income levels show a median of $86,389. 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
Families$91,042$111,813
Married Families$91,042$111,813
Households$86,389$93,950
Non Families--

$43,333

Average Income

$86,389

Median Household Income

0%

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)