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Rock Island city, WA
ZIP 98850 — Economy & Jobs
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLow Snow Area
Income, employment, industries, and economic trends
Income & Economy in Rock Island city, WA (98850)
Median Income
$76,250
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+98
Wealth inflow
Population
1,825
Unemployment
1.3%
2.5pp below US avg
IRS migration statistics show a net inflow of about 98 for ZIP 98850 (Rock Island city, WA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.
Historical Trends in 98850 (2020–Present)
Since 2020, population grew 8.1%, median income rose 24.3% (inflation-adjusted), home values increased 47.6%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $76,250 |
| Unemployment | 1.3% |
| Establishments | 36 |
| Employees | 178 |