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CITY

Markham

Washington · 166 residents · 1.12 sq mi
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The short version

Markham is a city of 166 people in Washington. At a median age of 72.2, this is an older place than the country as a whole. Four-year degrees are less common here than nationally, at 5% of adults. 100% of homes are owner-occupied. The population has risen by half since 2000, adding 71 people. That puts it in the top 10% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 72.2
US median: 38.9
Less educated
5% hold a bachelor's degree
US average: 36%
Owner-heavy
100% owner-occupied
US average: 65%
Section 01

Population & growth

166
+75%since 2000
from 95 in 2000
2000 – 2024
148 / sq mi
+108%since 2009
from 71 / sq mi in 2009
US average: 281
72.2
+51%since 2000
from 47.9 in 2000
US average: 38.9
Land area
1.12 sq mi
Population, 20002024
581071562052542000201020202024Markham
2024166
2000201020202024
Age distribution, 2024
Under 50%(0)
US avg: 5.6%
5 to 90%(0)
US avg: 6%
10 to 140%(0)
US avg: 6.4%
15 to 190%(0)
US avg: 6.6%
20 to 240%(0)
US avg: 6.5%
25 to 340%(0)
US avg: 13.7%
35 to 440%(0)
US avg: 13.2%
45 to 5422.3%(37)
US avg: 12.2%
55 to 649.6%(16)
US avg: 12.7%
65 to 7445.8%(76)
US avg: 10.2%
75 to 8416.9%(28)
US avg: 5.1%
85 and over5.4%(9)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$90,956
−22%inflation adjusted, since 2000
from $63,750 in 2000
US average: $82,259
2000 – 2024
$60,140
+154%since 2000
from $23,700 in 2000
US average: $44,673
Households earning $100K+
56.8%
+56.8 ptssince 2009
from 0.0% in 2009
US average: 53.3%
0.0%
−12.3 ptssince 2000
from 12.3% in 2000
US average: 12.5%
0.306
−7%since 2010
from 0.328 in 2010
US average: 0.476
Workforce by industry, 2024
Information58.3%
US avg: 10.8%
Wholesale trade12.5%
US avg: 6.9%
Agriculture, forestry, fishing0%
US avg: 1.6%
Construction0%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
Retail trade0%
US avg: 9.9%
Transportation & warehousing0%
US avg: 2.2%
Finance & insurance0%
US avg: 5.9%
Professional, scientific, technical0%
US avg: 5.1%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
Other services0%
US avg: 6.7%
Public administration0%
US avg: 4.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

100.0%
+7.3 ptssince 2000
from 92.7% in 2000
0.0% rent
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 10.0%
1.75 people
+3%since 2010
from 1.70 people in 2010
US average: 2.54
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 22.9%
Section 04

Race & ethnicity

2000
White, non-Hispanic93.7%(89)
Black0%(0)
Hispanic / Latino2.1%(2)
Asian2.1%(2)
Other0%
2024
White, non-Hispanic74.7%(124)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other25.3%(42)
47
from 0 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Ancestry
German18.1%(30)
French15.1%(25)
American10.2%(17)
English9.6%(16)
Swedish8.4%(14)
Irish5.4%(9)
Arab3.6%(6)
Syrian3.6%(6)
Belgian2.4%(4)
Scottish2.4%(4)
Section 05

Education

4.8%
−16.7 ptssince 2000
from 21.6% in 2000
US average: 35.6%
High school or higher
97.0%
−3.0 ptssince 2000
from 100.0% in 2000
US average: 89.6%
2.4%
−7.4 ptssince 2000
from 9.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

100.0%
Unchangedsince 2009
from 100.0% in 2009
US average: 68.9%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 8.5%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 15.0%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 2.4%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.4%
0.0%
−26.4 ptssince 2009
from 26.4% in 2009
US average: 8.3%
Section 07

Work & employment

0.0%
Unchangedsince 2011
from 0.0% in 2011
US average: 5.2%
28.9%
−37.3 ptssince 2011
from 66.2% in 2011
US average: 63.5%
Women 20-64 in the labor force
100.0%
Unchangedsince 2020
from 100.0% in 2020
US average: 74.6%
18.8%
+18.8 ptssince 2009
from 0.0% in 2009
US average: 13.1%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 42.5%
Section 08

People & community

42.8%
−6.0 ptssince 2009
from 48.8% in 2009
57.2%
+6.0 ptssince 2009
from 51.2% in 2009
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
31.9%
+11.9 ptssince 2009
from 20.0% in 2009
US average: 6.2%
38.0%
−3.7 ptssince 2012
from 41.7% in 2012
US average: 13.3%
0.0%
Unchangedsince 2013
from 0.0% in 2013
US average: 8.4%
100.0%
+13.0 ptssince 2017
from 87.0% in 2017
US average: 91.0%
Computer in household
100.0%
Unchangedsince 2020
from 100.0% in 2020
US average: 95.5%
77.7%
−22.3 ptssince 2020
from 100.0% in 2020
US average: 87.7%
100.0%
+12.0 ptssince 2016
from 88.0% in 2016
US average: 77.7%
0.0%
Unchangedsince 2016
from 0.0% in 2016
US average: 13.6%
Marital status
Men 15+
Never married0%(0)
Married62%(44)
Widowed38%(27)
Divorced0%(0)
Women 15+
Never married29.5%(28)
Married44.2%(42)
Widowed26.3%(25)
Divorced0%(0)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

0.0%
Unchangedsince 2013
from 0.0% in 2013
US average: 8.4%
45.2%
+26.2 ptssince 2020
from 19.0% in 2020
US average: 54.8%
Direct-purchase
9.0%
−13.8 ptssince 2020
from 22.8% in 2020
US average: 13.8%
68.1%
+36.5 ptssince 2020
from 31.6% in 2020
US average: 18.4%
25.3%
−1.3 ptssince 2020
from 26.6% in 2020
US average: 20.9%
VA health care
0.0%
Unchangedsince 2020
from 0.0% in 2020
US average: 2.2%
Any private
69.3%
−4.1 ptssince 2020
from 73.4% in 2020
US average: 67.1%
Any public
71.1%
+12.9 ptssince 2020
from 58.2% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)0%(0)
US avg: 26.4%
Gulf War (1990s)0%(0)
US avg: 24.3%
Vietnam era88.7%(47)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 53 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Markham, Washington?

Markham, Washington has about 166 residents according to the 2024 American Community Survey.

What is the median household income in Markham, Washington?

The typical household in Markham, Washington earns about $90,956 a year. Half of households make more than that, and half make less.

How educated are people in Markham, Washington?

About 4.8% of adults age 25 and over in Markham, Washington hold a bachelor's degree or higher.

What is the poverty rate in Markham, Washington?

About 0.0% of people in Markham, Washington live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →