| AVERAGE SALARY BY INDUSTRY | Harper, Kansas | United States |
| Agriculture, Forestry, Fishing and Hunting | $26,111 | $24,135 |
| Mining, Quarrying, and Oil and Gas Extraction | $59,375 | $62,204 |
| Construction | $22,083 | $35,300 |
| Manufacturing | $36,563 | $42,158 |
| Wholesale Trade | $45,625 | $41,714 |
| Retail Trade | $17,031 | $21,666 |
| Transportation and Warehousing | $46,111 | $40,449 |
| Utilities | $48,611 | $62,996 |
| Information | $9,688 | $48,512 |
| Finance and Insurance | $31,622 | $50,584 |
| Real Estate and Rental and Leasing | $0 | $36,265 |
| Professional, Scientific, and Technical Services | $49,803 | $59,897 |
| Management of Companies and Enterprises | $0 | $61,392 |
| Administrative and Support and Waste Services | $31,250 | $23,873 |
| Educational Services | $19,677 | $37,346 |
| Health Care and Social Assistance | $24,676 | $33,234 |
| Arts, Entertainment, and Recreation | $10,250 | $21,042 |
| Accommodation and Food Services | $7,500 | $14,790 |
| Other Services | $30,833 | $22,627 |
| Public Administration | $39,250 | $51,719 |