Sumner city, Washington Demographics & Population 2026
As of 2026, Sumner city, Washington has a total population of 10,674, the 122nd largest city in Washington, with a median household income of $98,376, which is 4% higher than the state average. The poverty rate is 7.1%.
Sumner city Quick Facts
How Sumner city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 55 | National average: 60
Education
Educational Attainment (Adults 25+)
Sumner city Rankings in Washington
Explore Washington Rankings
Cities Similar to Sumner city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Mount Vista CDP | 10,635 | $101,189 | $526,200 | 41.3% | 6.9% |
| Yelm city | 10,618 | $88,279 | $439,100 | 26.1% | 5.4% |
| Fife city | 10,902 | $90,515 | $480,600 | 28.0% | 11.5% |
| Fairwood CDP (Spokane County) | 10,439 | $84,911 | $435,200 | 45.0% | 8.4% |
| Vashon CDP | 10,424 | $115,750 | $717,700 | 51.9% | 9.3% |
Population Overview
Sumner city is a small city located in Washington. The total population is 10,674. It ranks as the 122nd most populous out of 631 cities and towns in Washington.
Age Demographics
The median age in Sumner city is 35.1 years. This is 8% lower than the state median of 38.2 years.
Economy, Income & Housing
The median household income in Sumner city is $98,376. This is 4% higher than the state median of $94,952. Compared to the national median of $78,538, household income here is 25% higher. The poverty rate stands at 7.1%. This is 28% lower than the state poverty rate of 9.9%. The unemployment rate is 5.9%. This is 19% higher than the state rate of 5.0%. The median home value is $478,500. Housing costs are 8% lower than the state median of $519,800. The home-value-to-income ratio is 4.9x. 49.8% of occupied housing units are owner-occupied. This homeownership rate is 22% lower than the state average of 63.9%.
Race & Ethnicity
The largest racial or ethnic group in Sumner city is White (non-Hispanic), making up 73.9% of the population. Hispanic or Latino residents account for 17.5%. The Black or African American population (1.0%) is well below the state average of 3.8%. The Asian population (0.9%) is well below the state average of 9.3%.
Education
23.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% 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 91.2%.
Data Sources & Methodology
All demographic data for Sumner 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.
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Frequently Asked Questions
What is the population of Sumner city, Washington?
Sumner city, Washington has a population of 10,674 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sumner city, WA?
The median household income in Sumner city is $98,376, which is 25% higher the national median of $78,538.
What is the poverty rate in Sumner city, WA?
The poverty rate in Sumner city is 7.1%. This means approximately 754 residents live below the federal poverty line.
What is the racial makeup of Sumner city, Washington?
Sumner city's population is 73.9% White, 1.0% Black, 17.5% Hispanic/Latino, and 0.9% Asian.
What is the median home value in Sumner city, WA?
The median home value in Sumner city is $478,500. The home-value-to-income ratio is 4.9x.
How educated is Sumner city, Washington?
23.5% of adults (25+) in Sumner city hold a bachelor's degree or higher, and 7.7% hold a graduate or professional degree.