Crystal Lake Flag

Crystal Lake

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

Crystal Lake is located in Aurora County, South Dakota. Crystal Lake has a 2025 population of 40 . Crystal Lake is currently declining at a rate of -2.44% annually and its population has decreased by -4.76% since the most recent census, which recorded a population of 42 in 2020.

The average household income in Crystal Lake is $85,745 with a poverty rate of 0%. The median age in Crystal Lake is 59.4 years: 57.6 years for males, and 63.8 years for females. For every 100 females there are 90.9 males.

40
Total Population
1
Density (mi²)
-1 -2.44%
Growth

Crystal Lake Population

Crystal Lake Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (100%)

Race
Population
Percentage (of total)
White42100%

Crystal Lake Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Crystal Lake's average per capita income is $42,750. Household income levels show a median of $83,375. 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$88,000$102,343
Married Families$88,000$102,343
Households$83,375$85,745
Non Families--

$42,750

Average Income

$83,375

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)