Zillah, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Zillah, Washington had a total population of 3,140, the 253rd largest city in Washington, with a median household income of $75,000, which is 24% lower than the state average. The poverty rate is 6.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Zillah Quick Facts
How Zillah Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,163 | 3,140 | -0.7% |
| Median household income | $72,461 | $75,000 | +3.5% |
| Median home value | $297,000 | $334,800 | +12.7% |
How Zillah Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Zillah Rankings in Washington
Explore Washington Rankings
Other Cities in Yakima County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Yakima | 96,961 | $62,815 | 16.6% | $297,600 |
| Sunnyside | 16,277 | $60,923 | 18.5% | $240,700 |
| Grandview | 11,187 | $61,106 | 17.9% | $265,300 |
| Terrace Heights | 10,041 | $83,016 | 14.4% | $377,300 |
| Toppenish | 8,723 | $67,854 | 18.0% | $230,000 |
| Selah | 8,437 | $74,783 | 13.9% | $414,600 |
| Union Gap | 6,584 | $59,651 | 13.8% | $210,600 |
| Moxee | 4,625 | $100,512 | 7.8% | $362,800 |
| Wapato | 4,538 | $52,019 | 24.5% | $185,100 |
| Ahtanum | 3,777 | $96,149 | 2.6% | $337,500 |
Cities Similar to Zillah
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Port Angeles East | 3,137 | $68,241 | $347,600 | 31.5% | 4.7% |
| Grand Mound | 3,287 | $72,426 | $411,400 | 21.6% | 7.3% |
| Everson | 3,040 | $80,250 | $450,300 | 24.9% | 5.5% |
| Algona | 3,247 | $85,332 | $441,500 | 16.1% | 12.1% |
| Fairchild AFB | 2,931 | $69,917 | N/A | 39.8% | 3.3% |
Population Overview
Zillah is a small community located in Washington, within Yakima County. The total population is 3,140. It ranks as the 253rd most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Zillah is 35.7 years. This is 7% lower than the state median of 38.3 years. With 32.8% of the population under 18, Zillah has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Zillah is $75,000. This is 24% lower than the state median of $98,141. It is also 7% lower than the national median of $80,734. The poverty rate stands at 6.5%. This is 34% lower than the state poverty rate of 9.9%. The unemployment rate is 5.4%. This is 5% higher than the state rate of 5.1%. The median home value is $334,800. Housing costs are 41% lower than the state median of $564,600. The home-value-to-income ratio is 4.5x. 69.6% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Zillah is Hispanic or Latino, making up 50.7% of the population. White (non-Hispanic) residents account for 40.8%. The Hispanic or Latino population is significantly higher than the state average (50.7% vs 14.4%). The Asian population (0.8%) is well below the state average of 9.7%.
Education
29.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 26% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 86.1%.
Data Sources & Methodology
All demographic data for Zillah, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Zillah, Washington?
Zillah, Washington has a population of 3,140 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Zillah, WA?
The median household income in Zillah is $75,000, which is 7% lower than the national median of $80,734.
What is the poverty rate in Zillah, WA?
The poverty rate in Zillah is 6.5%. This means approximately 200 residents live below the federal poverty line.
What is the racial makeup of Zillah, Washington?
Zillah's population is 40.8% White, 0.0% Black, 50.7% Hispanic/Latino, and 0.8% Asian.
What is the median home value in Zillah, WA?
The median home value in Zillah is $334,800. The home-value-to-income ratio is 4.5x.
How educated is Zillah, Washington?
29.2% of adults (25+) in Zillah hold a bachelor's degree or higher, and 13.9% hold a graduate or professional degree.