Markham Flag

Markham

County Seat:
No
Area (mi²):
1.124
State:
Washington

Markham is a CDP located in Grays Harbor County, Washington. Markham has a 2025 population of 137. Markham is currently growing at a rate of 0.74% annually and its population has increased by 73.42% since the most recent census, which recorded a population of 79 in 2020.

The average household income in Markham is $102,704 with a poverty rate of 0%.The median age in Markham is 66 years: 73 years for males, and 62.5 years for females.

137
Total Population
122
Density (mi²)
1 0.74%
Growth

Markham Population

Markham Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Markham includes 71.1% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White12371.1%
Two or more races5028.9%

Markham Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Markham's average per capita income is $26,571. Household income levels show a median of $88,487. The poverty rate stands at 0%.

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
Households$88,487$102,704
Married Families$88,355-
Families-$123,773
Non Families--

$26,571

Average Income

$88,487

Median Household Income

0%

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)