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

Demographics

Economics and Income Statistics

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)