Markham CDP, Washington Demographics & Population 2026
As of 2026, Markham CDP, Washington has a total population of 173, the 567th largest city in Washington, with a median household income of $88,487, which is 7% lower than the state average. The poverty rate is 0.0%.
Key Takeaways
- An exceptionally low poverty rate of 0.0% — among the lowest in Washington.
- Only 2.9% of adults have a bachelor's degree, well below the national average of 35.0%.
- Near full employment with an unemployment rate of just 0.0%.
Markham CDP Quick Facts
How Markham CDP Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 55 | National average: 60
Education
Educational Attainment (Adults 25+)
Markham CDP Rankings in Washington
Explore Washington Rankings
Cities Similar to Markham CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kahlotus city | 171 | $91,042 | $164,300 | 8.9% | 12.4% |
| Index town | 164 | N/A | $481,800 | 9.8% | 11.6% |
| Baring CDP | 190 | $86,250 | $598,000 | 30.2% | 12.1% |
| Humptulips CDP | 194 | N/A | $325,000 | 12.1% | 42.8% |
| Willapa CDP | 195 | N/A | $173,800 | 4.2% | 0.0% |
Population Overview
Markham CDP is a small community located in Washington. The total population is 173. It ranks as the 567th most populous out of 631 cities and towns in Washington.
Age Demographics
The median age in Markham CDP is 66.0 years. This is 73% higher than the state median of 38.2 years. Only 0.0% of residents are under 18, indicating fewer families with children. 19.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Markham CDP is $88,487. This is 7% lower than the state median of $94,952. Compared to the national median of $78,538, household income here is 13% higher. The poverty rate stands at 0.0%. This is 100% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 5.0%. The median home value is $439,500. Housing costs are 15% lower than the state median of $519,800. The home-value-to-income ratio is 5.0x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 57% higher than the state average of 63.9%.
Race & Ethnicity
The largest racial or ethnic group in Markham CDP is White (non-Hispanic), making up 71.1% of the population.
Education
2.9% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 93% lower than the state rate of 38.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.0%.
Data Sources & Methodology
All demographic data for Markham CDP, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 631 Census-designated places in Washington. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Markham CDP, Washington?
Markham CDP, Washington has a population of 173 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Markham CDP, WA?
The median household income in Markham CDP is $88,487, which is 13% higher the national median of $78,538.
What is the poverty rate in Markham CDP, WA?
The poverty rate in Markham CDP is 0.0%. This means approximately 0 residents live below the federal poverty line.
What is the racial makeup of Markham CDP, Washington?
Markham CDP's population is 71.1% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Markham CDP, WA?
The median home value in Markham CDP is $439,500. The home-value-to-income ratio is 5.0x.
How educated is Markham CDP, Washington?
2.9% of adults (25+) in Markham CDP hold a bachelor's degree or higher, and 1.7% hold a graduate or professional degree.