Sioux City city, IA
ZIP 51103 — Economy & Jobs
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Working ClassLow Snow Area
Income, employment, industries, and economic trends
Income & Economy in Sioux City city, IA (51103)
Median Income
$57,212
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+983
Wealth inflow
Population
17,145
Unemployment
3.5%
0.2pp below US avg
IRS migration statistics show a net inflow of about 983 for ZIP 51103 (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 51103 (2020–Present)
Since 2020, population grew 2.2%, median income rose 1.4% (inflation-adjusted), home values increased 7.9%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $57,212 |
| Unemployment | 3.5% |
| Establishments | 265 |
| Employees | 3,791 |