Marietta-Alderwood Flag

Marietta-Alderwood

County:
Whatcom County
County Seat:
No
Area (mi²):
5.816
State:
Washington

Marietta-Alderwood is a CDP located in Whatcom County, Washington. Marietta-Alderwood has a 2025 population of 3,154. Marietta-Alderwood is currently declining at a rate of -1.56% annually and its population has decreased by -8.92% since the most recent census, which recorded a population of 3,463 in 2020.

The average household income in Marietta-Alderwood is $102,078 with a poverty rate of 12.64%.The median age in Marietta-Alderwood is 40.5 years: 41.4 years for males, and 35.5 years for females.

3.2K
Total Population
542
Density (mi²)
-50 -1.56%
Growth

Marietta-Alderwood Population

Marietta-Alderwood Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marietta-Alderwood includes 68.62% White, 11.15% other race, 4.31% Asian, and smaller percentages for Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,44968.62%
Two or more races49613.9%
Other race39811.15%
Asian1544.31%
Native Hawaiian or Pacific Islander441.23%
Native American280.78%

Marietta-Alderwood Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marietta-Alderwood's average per capita income is $51,179. Household income levels show a median of $62,243. The poverty rate stands at 12.64%.

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$96,167-
Families$72,109$122,232
Households$62,243$102,078
Non Families$49,423$70,420

$51,179

Average Income

$62,243

Median Household Income

12.64%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)