SeaTac, Washington Income Statistics
SeaTac Wealth Score
The wealth index reflects the overall economic prosperity and financial well-being of an area's residents based on income levels, employment rates, and income inequality metrics.
-
C
SeaTac Below average
Source: Map AI Methodology
Income Statistics Overview
| Metric | SeaTac | Washington Avg | US Average |
|---|---|---|---|
| Median Household Income | $78,744 | $98,224 | $80,455 |
| Median Personal Income | $54,471 | $73,370 | $60,758 |
| Average Yearly Income Growth | 6.9% | 5.6% | 4.8% |
| Six-Figure Earners | 11.1% | 19.3% | 13.9% |
| $200k+ Households | 8.1% | 18.5% | 13.2% |
The median household income in SeaTac is about 20% lower than in Washington. Income has been growing faster in SeaTac (6.9%/yr) than in Washington (5.6%/yr).
About 11% of adults in SeaTac earn six figures ($100,000 or more) a year, lower than the Washington average of 19%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in SeaTac, Washington grew by 87.8% from 2009 to 2024, reaching $78,744 in 2024. That's an average of about 6.9% per year.
Income Inequality and the Gender Pay Gap in SeaTac
| Metric | SeaTac | Washington Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.531 | 0.534 | 0.552 |
| Male Median Income | $59,648 | $86,137 | $69,667 |
| Female Median Income | $57,186 | $68,506 | $56,850 |
| Gender Pay Gap | 4.1% | 20.5% | 18.4% |
The Gini coefficient measures how evenly income is shared between richer and poorer households, from 0 (everyone earns the same) to 1 (one household earns nearly everything). The lower the number, the more equally income is distributed. In SeaTac, it is 0.531, about the same as Washington's 0.534, so income here is about as evenly distributed as there, and lower than the US's 0.552, so income is more evenly distributed here than there.
Men's income is about 4% more than women's income in SeaTac, Washington. Over a 35-year career, a 4% wage gap accumulates to roughly $86,170 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in SeaTac, Washington has narrowed from about 13% to 4% in 2024. Over that period the gap was widest at 14% in 2010, and in 2022 women out-earned men by 4%. In dollar terms, the gap has narrowed by $2,253 since 2009.
Employment
| Metric | SeaTac | Washington Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 7.3% | 5.0% | 5.2% |
| Working from Home | 11.6% | 19.8% | 15.0% |
| Commute time (minutes) | 22 | 22 | 22 |
Approximately 1,417 people are unemployed in SeaTac, Washington.
The average commute time in SeaTac is 22 minutes, about the same as in Washington.
Unemployment Rate Over Time
Since 2011, the unemployment rate in SeaTac, Washington has fallen from 9.7% to 7.3% in 2024. Over that period the rate peaked at 11.6% in 2013 and fell as low as 4.5% in 2018.
SeaTac, WA Wealth Compared With Nearby Cities
How SeaTac, WA compares with the 2 cities closest to it.
| Area | Population | Median household income | Income growthAverage yearly change in median household income since 2016. Each year is measured in its own dollars, so this is growth before inflation. | Unemployment | Income inequalityGini coefficient: 0 would mean every household earns the same, 1 that a single household earns everything. The lower the number, the more equally income is shared here. |
|---|---|---|---|---|---|
| SeaTac, WA | 36,350 | $78,744 #3/3 | 6.9%/yr #1/3 | 7.3% #2/3 | 0.531 #2/3 |
| Burien, WA | 47,382 | $93,761 | 6.8%/yr | 6.9% | 0.530 |
| Des Moines, WA | 30,822 | $90,886 | 6.0%/yr | 7.5% | 0.533 |
Conclusion
Considering all these factors, SeaTac, Washington has an overall wealth index grade of C, making it somewhat worse than Washington, and about on par with the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in SeaTac, Washington.
How Rich Is SeaTac, Washington?
SeaTac has a wealth index grade of C. The wealth index grades areas from A+ (best) to F- by combining income levels, employment rates, and income inequality; a C grade means residents are close to the U.S. average. The median household income is $78,744, about 20% lower than the Washington average of $98,224.
Are incomes growing in SeaTac, Washington?
Between 2009 and 2024, the median household income in SeaTac, Washington rose 88%, from $41,935 to $78,744. Over the same years, income here outpaced Washington as a whole: +88% against +73%.
What was the median household income in SeaTac in 2023?
In 2023, the median household income in SeaTac, Washington was $76,791, up 3% from $74,547 in 2022. The Washington median that year was $95,216.
What was the median household income in SeaTac in 2020?
In 2020, the median household income in SeaTac, Washington was $64,355. By 2024 it had risen 22% to $78,744.
Is unemployment high in SeaTac, Washington?
Unemployment in SeaTac, Washington is 7.3%, well above the Washington rate of 5.0%, so job seekers may face more competition than elsewhere.
What is the Gini coefficient in SeaTac, Washington?
The Gini coefficient in SeaTac is 0.531. It measures income inequality on a scale from 0 (everyone earns the same) to 1 (one household earns everything). That is lower than the US average of 0.552, so income is distributed more equally than in the country overall.
How has the income gap between men and women changed in SeaTac, Washington?
Since 2009, the income gap between men and women in SeaTac, Washington has narrowed from about 13% to 4% in 2024. Over that period the gap was widest at 14% in 2010, and in 2022 women out-earned men by 4%. In dollar terms, the gap has narrowed by $2,253 since 2009.
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