Timber Lake Flag

Timber Lake

County:
Dewey County
County Seat:
No
Area (mi²):
0.611
State:
South Dakota

Timber Lake is a city located in Dewey County, South Dakota. Timber Lake has a 2025 population of 518. Timber Lake is currently growing at a rate of 0.19% annually and its population has increased by 1.17% since the most recent census, which recorded a population of 512 in 2020.

The average household income in Timber Lake is $70,358 with a poverty rate of 18.06%.The median age in Timber Lake is 27.4 years: 25 years for males, and 30.4 years for females.

518
Total Population
848
Density (mi²)
1 0.19%
Growth

Timber Lake Population

Timber Lake Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Timber Lake includes 46.53% White, 45.64% Native American, and smaller percentages for Black or African American, Asian, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White31546.53%
Native American30945.64%
Two or more races426.2%
Black or African American60.89%
Asian30.44%
Other race20.3%

Timber Lake Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Timber Lake's average per capita income is $39,063. Household income levels show a median of $58,000. The poverty rate stands at 18.06%.

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$112,917-
Families$62,857$83,867
Households$58,000$70,358
Non Families$33,750$39,378

$39,063

Average Income

$58,000

Median Household Income

18.06%

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)