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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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