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Martin city, SD
ZIP 57551 — 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 Martin city, SD (57551)
Median Income
$52,500
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+124
Wealth inflow
Population
2,026
Unemployment
5.1%
1.4pp above US avg
IRS migration statistics show a net inflow of about 124 for ZIP 57551 (Martin city, SD) 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 57551 (2020–Present)
Since 2020, population declined 18.7%, median income rose 5.1% (inflation-adjusted), home values increased 32.4%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $52,500 |
| Unemployment | 5.1% |
| Establishments | 56 |
| Employees | 483 |