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South Hill CDP, WA
ZIP 98374 — Economy & Jobs
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Upper Middle ClassLow Snow Area
Income, employment, industries, and economic trends
Income & Economy in South Hill CDP, WA (98374)
Median Income
$108,854
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+2,559
Wealth inflow
Population
47,645
Unemployment
5.5%
1.8pp above US avg
IRS migration statistics show a net inflow of about 2,559 for ZIP 98374 (South Hill CDP, 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 98374 (2020–Present)
Since 2020, population grew 7.6%, median income rose 4.0% (inflation-adjusted), home values increased 22.6%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $108,854 |
| Unemployment | 5.5% |
| Establishments | 586 |
| Employees | 6,630 |