Sumas Flag

Sumas

County:
Whatcom County
County Seat:
No
Area (mi²):
1.467
State:
Washington

Sumas is a city located in Whatcom County, Washington. Sumas has a 2026 population of 1,721. Sumas is currently growing at a rate of 1.12% annually and its population has increased by 7.09% since the most recent census, which recorded a population of 1,607 in 2020.

The median household income in Sumas is $89,375 with a poverty rate of 9.74%. The median age in Sumas is 31.7 years: 29.4 years for males, and 34.7 years for females. For every 100 females there are 104.9 males.

1.7K
Total Population
1,173
Density (mi²)
19 1.12%
Growth

Sumas Population

Sumas Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,721191.12%
20251,702191.13%
20241,683181.08%
20231,665231.4%
20221,642171.05%
20211,625181.12%
20201,607231.45%
20191,536301.99%
20181,506362.45%
20171,470694.93%
20161,401312.26%
20151,370231.71%
20141,347100.75%
20131,33750.38%
20121,33260.45%
20111,326191.45%
20101,31530.23%

Median Age

Overall: 31.7 years
Female: 34.7 years
Male: 29.4 years

Sumas Adults

There are 1,020 adults, (105 of whom are seniors) in Sumas.

Sex Ratio

Female: 738 (48.8%)
Male: 774 (51.2%)

Demographics

The racial composition of Sumas includes 76.26% White, 3.9% other race, and smaller percentages for Asian, Native American, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,15376.26%
Two or more races24316.07%
Other race593.9%
Asian301.98%
Native American231.52%
Black or African American40.26%
Race
Population ↓
Percentage (of total)
White1318.66%
Two or more races1177.74%
Other race342.25%
Race
Population ↓
Percentage (of total)
White1,02267.59%
Two or more races1268.33%
Asian301.98%
Other race251.65%
Native American231.52%
Black or African American40.26%

Sumas Marital Status

Economics and Income Statistics

Sumas ' average per capita income is $57,356. Household income levels show a median of $89,375. The poverty rate stands at 9.74%.

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$115,417-
Families$105,000$111,972
Households$89,375$99,271
Non Families$34,145$49,401

$57,356

Average Income

$89,375

Median Household Income

9.74%

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)