Cottage Lake

Population: 23,170
Median household income: $197,331
Median home value: $1,164,000

Cottage Lake, a community in King County, Washington, has 23,170 residents. Its median household income of $197,331 runs above the King County figure of $122,148.

Between 2019 and 2023, Cottage Lake's population grew 2.2% from 22,677 to 23,170, while its median home value rose 45.8% from $798,200 to $1,164,000.

The typical home was built around 1984. 3.1% of residents live below the poverty line.

Demographics

ACS 2019–2023

Population: 23,170
Median age: 44.2 yrs
Median household income: $197,331
Median home value: $1,164,000
Median gross rent: $2,374
Housing units: 8,129
Homeownership rate: 91.7%
Bachelor's degree or higher: 67.7%
Unemployment rate: 3.8%

Trends

ACS 5-year · 2019–2023

Population

22,67723,170

Median household income

$161,233$197,331

Median home value

$798,200$1,164,000

Median gross rent

$1,992$2,374

Year	Population	Median household income	Median home value	Median gross rent
2019	22,677	$161,233	$798,200	$1,992
2020	23,239	$162,521	$847,700	$2,054
2021	22,779	$172,444	$899,000	$2,186
2022	23,233	$186,402	$1,094,000	$2,233
2023	23,170	$197,331	$1,164,000	$2,374

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 56.2%

5 to 1717.9%

18 to 245.3%

25 to 348.4%

35 to 4413.8%

45 to 5414.5%

55 to 6417.0%

65 to 7412.0%

75 and over4.9%

	Count	Share
Under 5	1,430	6.2%
5 to 17	4,156	17.9%
18 to 24	1,228	5.3%
25 to 34	1,948	8.4%
35 to 44	3,199	13.8%
45 to 54	3,352	14.5%
55 to 64	3,948	17.0%
65 to 74	2,774	12.0%
75 and over	1,135	4.9%

Race & ethnicity

	Count	Share
White (non-Hispanic)	18,198	78.5%
Black or African American	53	0.2%
American Indian & Alaska Native	7	0.0%
Asian	2,058	8.9%
Native Hawaiian & Pacific Islander	49	0.2%
Some other race	32	0.1%
Two or more races	1,455	6.3%
Hispanic or Latino (any race)	1,318	5.7%

Educational attainment (age 25+)

No high school diploma3.4%

High school graduate10.3%

Some college or associate's18.6%

Bachelor's degree41.0%

Graduate or professional degree26.7%

	Count	Share
No high school diploma	554	3.4%
High school graduate	1,677	10.3%
Some college or associate's	3,050	18.6%
Bachelor's degree	6,712	41.0%
Graduate or professional degree	4,363	26.7%

Commute to work

Mean travel time to work: 27 min

Drove alone61.7%

Carpooled5.3%

Public transit0.9%

Walked0.3%

Bicycle0.1%

Worked from home30.2%

Other means1.5%

How workers get to work

	Count	Share
Drove alone	6,457	61.7%
Carpooled	551	5.3%
Public transit	94	0.9%
Walked	32	0.3%
Bicycle	15	0.1%
Worked from home	3,155	30.2%
Other means	154	1.5%

Travel time

	Count	Share
Under 15 min	1,066	14.6%
15 to 29 min	3,089	42.3%
30 to 44 min	2,061	28.2%
45 to 59 min	655	9.0%
60+ min	432	5.9%

Households

Average household size: 2.93
Poverty rate: 3.1% (715 of 23,087)

	Count	Share
Family households	6,745	85.6%
Nonfamily households	1,131	14.4%

Housing

Median year structure built: 1984

Occupancy

	Count	Share
Occupied	7,876	96.9%
Vacant	253	3.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	7,223	91.7%
Renter-occupied	653	8.3%

1-unit, detached96.9%

1-unit, attached1.2%

2 to 4 units0.1%

5 to 19 units0.0%

20 or more units0.3%

Mobile home & other1.4%

Units in structure

	Count	Share
1-unit, detached	7,880	96.9%
1-unit, attached	100	1.2%
2 to 4 units	10	0.1%
5 to 19 units	0	0.0%
20 or more units	25	0.3%
Mobile home & other	114	1.4%

Geography

Place GEOID: 5314940
Type (LSAD): 57
Land area: 23 sq mi
Water area: 0.13 sq mi
Center point: 47.7465, -122.0760