| Index | Harper | Kansas | National |
| Income per capita | $35,975 | $42,278 | $44,883 |
| Median household income | $76,141 | $81,041 | $81,333 |
| Median income owner occupied | $80,293 | $102,579 | $106,172 |
| Median income renter occupied | $57,685 | $49,666 | $52,080 |
| Median earnings male | $57,807 | $53,070 | $54,343 |
| Median earnings female | $31,671 | $35,993 | $38,439 |
| Unemployment rate | 3.5% | 3.7% | 4.9% |
| Poverty level | 11.4% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.1% | 6.1% |
| Manufacturing sector | 31.2% | 31.2% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 16.4% | 16.4% |
| Public administration | 3.4% | 3.4% |
| Transportation, warehousing & utilities | 11.1% | 11.1% |
| Education, health & social services | 5.6% | 5.6% |
| Other | 25.1% | 25.1% |
| City | Population | Household Income | National Avg. |
| Argonia, KS | 519 | $87,624 | 7.7% |
| Anthony, KS | 2,213 | $77,195 | 5.1% |
| Norwich, KS | 455 | $74,670 | 8.2% |
| Attica, KS | 693 | $54,884 | 32.5% |
| Milton, KS | 310 | $40,455 | 50.3% |
| Harper, KS | 1,325 | $76,141 | 6.4% |
| City | Population | Household Income | National Avg. |
| Sea Bright, NJ | 1,325 | $137,082 | 68.5% |
| Dunnstown, PA | 1,325 | $117,699 | 44.7% |
| Salix, PA | 1,325 | $71,291 | 12.3% |
| Seven Points, TX | 1,325 | $59,630 | 26.7% |
| Arborg, MB | 1,325 | n/a | |
| Harper, KS | 1,325 | $76,141 | 6.4% |