Cottage Lake Flag

Cottage Lake

County:
King County
County Seat:
No
Area (mi²):
22.736
State:
Washington

Cottage Lake is a CDP located in King County, Washington. Cottage Lake has a 2026 population of 23,326. Cottage Lake is currently growing at a rate of 0.22% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Cottage Lake is $213,106 with a poverty rate of 3.24%. The median age in Cottage Lake is 44.2 years: 43.3 years for males, and 45.4 years for females. For every 100 females there are 109.0 males.

23.3K
Total Population
1,026
Density (mi²)
52 0.22%
Growth

Cottage Lake Population

Cottage Lake Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202623,326520.22%
202523,274520.22%

Median Age

Overall: 44.2 years
Female: 45.4 years
Male: 43.3 years

Cottage Lake Adults

There are 17,164 adults, (4,080 of whom are seniors) in Cottage Lake.

Sex Ratio

Female: 10,776 (47.9%)
Male: 11,742 (52.1%)

Demographics

The racial composition of Cottage Lake includes 76.66% White, 10.05% Asian, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White17,26276.66%
Two or more races2,29210.18%
Asian2,26210.05%
Other race5142.28%
Native Hawaiian or Pacific Islander1200.53%
Black or African American460.2%
Native American220.1%
Race
Population ↓
Percentage (of total)
Two or more races7773.45%
Other race4802.13%
White650.29%
Native Hawaiian or Pacific Islander270.12%
Native American80.04%
Race
Population ↓
Percentage (of total)
White17,19776.37%
Asian2,26210.05%
Two or more races1,5156.73%
Native Hawaiian or Pacific Islander930.41%
Black or African American460.2%
Other race340.15%
Native American140.06%

Cottage Lake Marital Status

Economics and Income Statistics

Cottage Lake 's average per capita income is $105,291. Household income levels show a median of $213,106. The poverty rate stands at 3.24%.

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$236,765-
Families$231,048$286,874
Households$213,106$268,066
Non Families$126,023$149,770

$105,291

Average Income

$213,106

Median Household Income

3.24%

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)