| Index | Harper | Iowa | National |
| Income per capita | $31,056 | $42,672 | $44,883 |
| Median household income | $64,811 | $81,387 | $81,333 |
| Median income owner occupied | $80,499 | $98,724 | $106,172 |
| Median income renter occupied | $24,280 | $45,890 | $52,080 |
| Median earnings male | $62,095 | $54,047 | $54,343 |
| Median earnings female | $46,413 | $36,462 | $38,439 |
| Unemployment rate | 1.8% | 3.2% | 4.9% |
| Poverty level | 15.8% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.3% | 13.3% |
| Manufacturing sector | 33.3% | 33.3% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 13.3% | 13.3% |
| Public administration | 6.7% | 6.7% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 33.3% | 33.3% |
| City | Population | Household Income | National Avg. |
| Pleasant Plain, IA | 105 | $146,313 | 79.9% |
| Millersburg, IA | 187 | $95,573 | 17.5% |
| Brighton, IA | 707 | $76,941 | 5.4% |
| Hedrick, IA | 666 | $74,305 | 8.6% |
| Richland, IA | 586 | $74,029 | 9.0% |
| Harper, IA | 99 | $64,811 | 20.3% |
| City | Population | Household Income | National Avg. |
| Chester, AR | 99 | $36,248 | 55.4% |
| Pritchett, CO | 99 | $47,190 | 42.0% |
| Twin Lakes CDP (Lake County), CO | 99 | $92,058 | 13.2% |
| Belleair Shore, FL | 99 | $0 | 100.0% |
| Macksburg, IA | 99 | $55,735 | 31.5% |
| Harper, IA | 99 | $64,811 | 20.3% |