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 2026 population of 3,491. Marietta-Alderwood is currently declining at a rate of -0.74% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Marietta-Alderwood is $76,019 with a poverty rate of 7.86%. The median age in Marietta-Alderwood is 38.3 years: 38.9 years for males, and 35.9 years for females. For every 100 females there are 119.9 males.

3.5K
Total Population
600
Density (mi²)
-26 -0.74%
Growth

Marietta-Alderwood Population

Marietta-Alderwood Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,491-26-0.74%
20253,517-26-0.73%

Median Age

Overall: 38.3 years
Female: 35.9 years
Male: 38.9 years

Marietta-Alderwood Adults

There are 3,145 adults, (836 of whom are seniors) in Marietta-Alderwood.

Sex Ratio

Female: 1,707 (45.5%)
Male: 2,047 (54.5%)

Demographics

The racial composition of Marietta-Alderwood includes 77.36% White, 6.69% Asian, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Native American, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,90477.36%
Two or more races47112.55%
Asian2516.69%
Other race541.44%
Native Hawaiian or Pacific Islander391.04%
Native American270.72%
Black or African American80.21%
Race
Population ↓
Percentage (of total)
Other race461.23%
Two or more races401.07%
White210.56%
Race
Population ↓
Percentage (of total)
White2,88376.8%
Two or more races43111.48%
Asian2516.69%
Native Hawaiian or Pacific Islander391.04%
Native American270.72%
Other race80.21%
Black or African American80.21%

Marietta-Alderwood Marital Status

Economics and Income Statistics

Marietta-Alderwood 's average per capita income is $55,681. Household income levels show a median of $76,019. The poverty rate stands at 7.86%.

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$111,591-
Families$98,477$137,586
Households$76,019$112,682
Non Families$68,010$69,439

$55,681

Average Income

$76,019

Median Household Income

7.86%

Poverty Rate

Nearby Cities

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)