| AVERAGE SALARY BY INDUSTRY | San_Marcos, Texas | United States |
| Agriculture, Forestry, Fishing and Hunting | $8,750 | $24,135 |
| Mining, Quarrying, and Oil and Gas Extraction | $53,370 | $62,204 |
| Construction | $22,722 | $35,300 |
| Manufacturing | $33,917 | $42,158 |
| Wholesale Trade | $31,458 | $41,714 |
| Retail Trade | $11,071 | $21,666 |
| Transportation and Warehousing | $33,897 | $40,449 |
| Utilities | $55,847 | $62,996 |
| Information | $23,011 | $48,512 |
| Finance and Insurance | $23,248 | $50,584 |
| Real Estate and Rental and Leasing | $21,875 | $36,265 |
| Professional, Scientific, and Technical Services | $20,521 | $59,897 |
| Management of Companies and Enterprises | $0 | $61,392 |
| Administrative and Support and Waste Services | $22,012 | $23,873 |
| Educational Services | $16,289 | $37,346 |
| Health Care and Social Assistance | $26,614 | $33,234 |
| Arts, Entertainment, and Recreation | $6,955 | $21,042 |
| Accommodation and Food Services | $11,844 | $14,790 |
| Other Services | $20,878 | $22,627 |
| Public Administration | $32,839 | $51,719 |