Income & Economy in San Marcos city, TX (78666)
Median Income
$55,478
*Adjusted for inflation (2023 dollars)
IRS Net Migration
+4,140
Wealth inflow
Population
87,775
Unemployment
5.6%
1.9pp above US avg
IRS migration statistics show a net inflow of about 4,140 for ZIP 78666 (San Marcos city, TX) 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 78666 (2020–Present)
Since 2020, population grew 7.2%, median income rose 3.2% (inflation-adjusted), home values increased 23.9%.
Economy & Jobs key statistics
| Income & Jobs | |
|---|---|
| Median household income | $55,478 |
| Unemployment | 5.6% |
| Establishments | 1,880 |
| Employees | 34,315 |