Sioux City city, IA
ZIP 51101 — Economy & Jobs
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Low Income AreaLow Snow Area
Income, employment, industries, and economic trends
Income & Economy in Sioux City city, IA (51101)
Median Income
$18,103
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+62
Wealth inflow
Population
1,077
Unemployment
13.8%
10.1pp above US avg
IRS migration statistics show a net inflow of about 62 for ZIP 51101 (Sioux City city, IA) 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 51101 (2020–Present)
Since 2020, population grew 57.2%, median income fell 11.6% (inflation-adjusted), home values decreased 100.0%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $18,103 |
| Unemployment | 13.8% |
| Establishments | 413 |
| Employees | 9,223 |