Anderson Island

County:: Pierce County
County Seat:: No
Area (mi²):: 7.952
State:: Washington

Anderson Island is a CDP located in Pierce County, Washington. Anderson Island has a 2025 population of 1,767. Anderson Island is currently growing at a rate of 2.85% annually and its population has increased by 12.48% since the most recent census, which recorded a population of 1,571 in 2020.

The average household income in Anderson Island is $150,214 with a poverty rate of 26.77%.The median age in Anderson Island is 61.3 years: 61.7 years for males, and 57.9 years for females.

Demographics

The racial composition of Anderson Island includes 78.82% White, 3.06% other race, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,057	78.82%
Two or more races	208	15.51%
Other race	41	3.06%
Black or African American	20	1.49%
Asian	15	1.12%

Anderson Island Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Anderson Island's average per capita income is $83,192. Household income levels show a median of $72,074. The poverty rate stands at 26.77%.

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
Families	$98,795	$202,997
Married Families	$98,765	-
Households	$72,074	$150,214
Non Families	$37,969	$53,245

$83,192

Average Income

$72,074

Median Household Income

26.77%

Poverty Rate