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Sumas city, Washington Demographics & Population 2026

As of 2026, Sumas city, Washington has a total population of 1,384, the 358th largest city in Washington, with a median household income of $86,500, which is 9% lower than the state average. The poverty rate is 11.3%.

Key Takeaways

Sumas city Quick Facts

Population 1,384
Median Household Income $86,500
Median Home Value $362,000
Poverty Rate 11.3%
Unemployment Rate 2.5%
Median Age 32.1 years
Homeownership Rate 68.5%
Affordability Ratio 4.2x
Bachelor's Degree or Higher 12.7%
High School Graduation Rate 83.2%
Diversity Index 42/100
Population 1,384 358th of 631
Median Income $86,500 average
Poverty Rate 11.3% 9% lower national
Median Home Value $362,000 average

How Sumas city Compares

Economy & Housing

Employment

2.5% Unemployment Rate State: 5.0% | National: 5.2%
67.5% Labor Force Participation

Housing Overview

Owner 68.5%
Renter 31.5%
Affordability Index Moderate
4.2x home value to income ratio

People & Demographics

Diversity Index

42out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 55 | National average: 60

Education

Sumas city Rankings in Washington

#358 Population of 631
#268 Median Income of 631
#520 Education of 631
#340 Home Value of 631

Cities Similar to Sumas city

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
North Puyallup CDP1,363$81,063$335,50024.2%3.5%
Soap Lake city1,286N/A$156,30011.6%29.5%
Ilwaco city1,418$97,541$355,40027.2%11.4%
Waterville town1,353$75,854$247,30011.2%6.8%
Clinton CDP1,367$72,135$603,90041.0%11.2%

Population Overview

Sumas city is a small community located in Washington. The total population is 1,384. It ranks as the 358th most populous out of 631 cities and towns in Washington.

Age Demographics

The median age in Sumas city is 32.1 years. This is 16% lower than the state median of 38.2 years.

Economy, Income & Housing

The median household income in Sumas city is $86,500. This is 9% lower than the state median of $94,952. Compared to the national median of $78,538, household income here is 10% higher. The poverty rate stands at 11.3%. This is 14% higher than the state poverty rate of 9.9%. The unemployment rate is 2.5%. This is 50% lower than the state rate of 5.0%. The median home value is $362,000. Housing costs are 30% lower than the state median of $519,800. The home-value-to-income ratio is 4.2x. 68.5% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 63.9%.

Race & Ethnicity

The largest racial or ethnic group in Sumas city is White (non-Hispanic), making up 73.5% of the population. Hispanic or Latino residents account for 14.0%. The Black or African American population (0.2%) is well below the state average of 3.8%. The Asian population (2.1%) is well below the state average of 9.3%.

Education

12.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 67% 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 83.2%.

Data Sources & Methodology

All demographic data for Sumas city, 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.

Free data download: Get all Washington city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of Sumas city, Washington?

Sumas city, Washington has a population of 1,384 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Sumas city, WA?

The median household income in Sumas city is $86,500, which is 10% higher the national median of $78,538.

What is the poverty rate in Sumas city, WA?

The poverty rate in Sumas city is 11.3%. This means approximately 151 residents live below the federal poverty line.

What is the racial makeup of Sumas city, Washington?

Sumas city's population is 73.5% White, 0.2% Black, 14.0% Hispanic/Latino, and 2.1% Asian.

What is the median home value in Sumas city, WA?

The median home value in Sumas city is $362,000. The home-value-to-income ratio is 4.2x.

How educated is Sumas city, Washington?

12.7% of adults (25+) in Sumas city hold a bachelor's degree or higher, and 5.9% hold a graduate or professional degree.