Cottage Lake, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Cottage Lake, Washington is 23,170 as of the 2023 American Community Survey, making it the 59th-largest city in Washington. The median household income is $197,331, the median home value is $1,164,000, and the median age is 44.2.
23,170
Population
1019
People / sq mi
$197,331
Median Income
$1,164,000
Median Home Value
Get Cottage Lake's next ACS population data
Subscribe for Population Review updates by email. No spam, unsubscribe anytime.
Cottage Lake covers 22.7 sq mi of land at 1019 people per square mile.
About Cottage Lake, WA
Among US cities, Cottage Lake stands out first on household income: a median of $197,331, above the US median of $78,538. With 23,170 residents, Cottage Lake is a city in Washington.
Households here are among the highest-earning of all US cities: median income is $197,331, above the US median of $78,538. Very few residents live in poverty — 2.3%, below the national 12.4%. Home prices are steep, with the typical property valued at $1,164,000, with typical rent around $2,374.
Cottage Lake is among the best-educated US cities: 67.7% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Working from home is common here: 30.2% of workers do so, above the national 14.0%, and the average commute runs about 27 minutes each way.
Taken together, the income and housing figures place Cottage Lake firmly in the higher-cost, higher-earning tier of US cities — a profile that tends to track dense job markets and competitive housing.
Race & Ethnicity
| White | 79.1% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Economy & Income
$197,331
Median Household Income
$87,194
Per Capita Income
2.3%
Poverty Rate
2.3%
Unemployment Rate
Housing
$1,164,000
Median Home Value
$2,374
Median Rent
91.7%
Owner-Occupied
Education
96.6%
High School+
67.7%
Bachelor's+
Commute
0.9%
Drive Alone
61.7%
Public Transit
30.2%
Work From Home
27.1 min
Avg Commute
Community Profile
36.6%
Foreign Born
83.7%
Non-English at Home
3.8%
Veterans
8.5%
With Disability
96.9%
Health Insurance
99.6%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 27.0% |
| Professional, Scientific & Management | 20.0% |
| Manufacturing | 11.9% |
| Construction | 7.2% |
| Information | 7.0% |
| Transportation & Warehousing | 5.4% |
| Education, Health Care & Social Services | 3.8% |
| Arts, Entertainment & Food Services | 3.0% |
| Public Administration | 1.6% |
| Retail Trade | 1.4% |
| Agriculture & Mining | 0.6% |
Largest cities in Washington
Largest counties in Washington
Part of Washington
Metro areas in Washington
City rankings
Frequently Asked Questions
Cottage Lake, Washington has a population of 23,170 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 59th-largest city in Washington.
The median household income in Cottage Lake, Washington is $197,331, with 2.3% of residents living below the federal poverty level.
The median home value in Cottage Lake, Washington is $1,164,000, with median monthly rent at $2,374 and a homeownership rate of 91.7%.
The median age in Cottage Lake, Washington is 44.2 years. The population is 51.3% male and 48.7% female.
Cottage Lake Cdp, WA Climate
Cottage Lake Cdp, WA has an average annual temperature of 10.3°C (51°F) and receives about 1313 mm of precipitation per year. The warmest month is August and the coldest is December. Figures are 1970–2000 climate normals.
10.3°C
Avg Temp
1313
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 4° / 39° | 171 mm |
| February | 5° / 42° | 129 mm |
| March | 7° / 45° | 132 mm |
| April | 9° / 49° | 105 mm |
| May | 12° / 54° | 79 mm |
| June | 15° / 59° | 63 mm |
| July | 17° / 63° | 38 mm |
| August | 18° / 64° | 40 mm |
| September | 15° / 59° | 66 mm |
| October | 11° / 51° | 112 mm |
| November | 6° / 43° | 188 mm |
| December | 4° / 39° | 190 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Cottage Lake Cdp, WA
The most comfortable months to visit Cottage Lake Cdp, WA are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 24°C high). The coldest is December (near 1°C low). December is usually the wettest month.
Where to stay near Cottage Lake
Visiting or relocating to Cottage Lake, WA? Compare hotels and short-term rentals across the metro — live availability and prices.
Top-rated places to stay near Cottage Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Cottage Lake?
Get relocation and cost-of-living insights for Cottage Lake, WA by email. No spam, unsubscribe anytime.
More from Washington
Population 741,440
Population 229,228
Population 220,482
Population 192,696
Population 151,199
Full rankings of Washington cities by population
Statewide data for Washington
Population, race, income, age, and trends across Washington
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.