| Index | Sumner | Iowa | National |
| Income per capita | $32,950 | $28,872 | $29,829 |
| Median household income | $54,063 | $54,570 | $55,322 |
| Median income owner occupied | $62,772 | $66,527 | $70,586 |
| Median income renter occupied | $43,750 | $30,828 | $35,192 |
| Median earnings male | $43,258 | $37,409 | $36,919 |
| Median earnings female | $26,809 | $25,115 | $26,250 |
| Unemployment rate | 1.8% | 3.1% | 4.7% |
| Poverty level | 4.7% | 12.3% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 7.1% | 7.1% |
| Manufacturing sector | 20.5% | 20.5% |
| Financial & insurance services | 5.6% | 5.6% |
| Wholesale & retail services | 7.4% | 7.4% |
| Public administration | 3.3% | 3.3% |
| Transportation, warehousing & utilities | 7.6% | 7.6% |
| Education, health & social services | 10.9% | 10.9% |
| Other | 36.7% | 36.7% |
| City | Population | Household Income | National Avg. |
| Denver, IA | 1,759 | $78,571 | 42.0% |
| Fairbank, IA | 1,406 | $72,500 | 31.1% |
| Readlyn, IA | 804 | $63,750 | 15.2% |
| Tripoli, IA | 1,337 | $63,393 | 14.6% |
| Waucoma, IA | 311 | $58,750 | 6.2% |
| Sumner, IA | 2,224 | $54,063 | 2.3% |
| City | Population | Household Income | National Avg. |
| Easton, CA | 2,224 | $75,259 | 36.0% |
| Ely, IA | 2,224 | $94,773 | 71.3% |
| Spencer, IN | 2,224 | $34,306 | 38.0% |
| Granby, MO | 2,224 | $34,113 | 38.3% |
| Wesson, MS | 2,224 | $44,205 | 20.1% |
| Sumner, IA | 2,224 | $54,063 | 2.3% |