Lake Cassidy

County:: Snohomish County
County Seat:: No
Area (mi²):: 10.59
State:: Washington

Lake Cassidy is a CDP located in Snohomish County, Washington. Lake Cassidy has a 2025 population of 2,624. Lake Cassidy is currently declining at a rate of -1.94% annually and its population has decreased by -8.06% since the most recent census, which recorded a population of 2,854 in 2020.

The average household income in Lake Cassidy is $125,747 with a poverty rate of 5.21%.The median age in Lake Cassidy is 50.8 years: 52.6 years for males, and 47.6 years for females.

Demographics

The racial composition of Lake Cassidy includes 84.6% White, 6.02% Black or African American, 3.51% other race, and smaller percentages for Native American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,823	84.6%
Black or African American	201	6.02%
Two or more races	134	4.02%
Other race	117	3.51%
Native American	32	0.96%
Asian	30	0.9%

Lake Cassidy Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake Cassidy's average per capita income is $72,955. Household income levels show a median of $115,417. The poverty rate stands at 5.21%.

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	$129,909	-
Families	$123,750	$139,717
Households	$115,417	$125,747
Non Families	$58,125	$57,208

$72,955

Average Income

$115,417

Median Household Income

5.21%

Poverty Rate