| Index | Monmouth | Iowa | National |
| Income per capita | $23,281 | $28,872 | $29,829 |
| Median household income | $46,250 | $54,570 | $55,322 |
| Median income owner occupied | $54,375 | $66,527 | $70,586 |
| Median income renter occupied | $31,875 | $30,828 | $35,192 |
| Median earnings male | $33,472 | $37,409 | $36,919 |
| Median earnings female | $39,375 | $25,115 | $26,250 |
| Unemployment rate | 0.9% | 3.1% | 4.7% |
| Poverty level | 14.5% | 12.3% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 16.3% | 16.3% |
| Manufacturing sector | 32.6% | 32.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 37.2% | 37.2% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 4.7% | 4.7% |
| Education, health & social services | 4.7% | 4.7% |
| Other | 4.7% | 4.7% |
| City | Population | Household Income | National Avg. |
| Delmar, IA | 491 | $66,705 | 20.6% |
| Lowden, IA | 909 | $61,250 | 10.7% |
| Stanwood, IA | 673 | $56,071 | 1.4% |
| Olin, IA | 966 | $55,417 | 0.2% |
| Clarence, IA | 1,151 | $54,063 | 2.3% |
| Monmouth, IA | 131 | $46,250 | 16.4% |
| City | Population | Household Income | National Avg. |
| Lester, AL | 131 | $43,750 | 20.9% |
| St. Paul, AR | 131 | $34,659 | 37.4% |
| Genoa, CO | 131 | $40,833 | 26.2% |
| Hartwick, IA | 131 | $67,500 | 22.0% |
| Marne, IA | 131 | $50,625 | 8.5% |
| Monmouth, IA | 131 | $46,250 | 16.4% |
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