| Index | Sheldahl | Iowa | National |
| Income per capita | $39,966 | $42,672 | $44,883 |
| Median household income | $101,376 | $81,387 | $81,333 |
| Median income owner occupied | $106,447 | $98,724 | $106,172 |
| Median income renter occupied | $71,610 | $45,890 | $52,080 |
| Median earnings male | $81,418 | $54,047 | $54,343 |
| Median earnings female | $39,315 | $36,462 | $38,439 |
| Unemployment rate | 8.7% | 3.2% | 4.9% |
| Poverty level | 9.8% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 14.0% | 14.0% |
| Manufacturing sector | 17.2% | 17.2% |
| Financial & insurance services | 3.2% | 3.2% |
| Wholesale & retail services | 15.1% | 15.1% |
| Public administration | 7.5% | 7.5% |
| Transportation, warehousing & utilities | 9.7% | 9.7% |
| Education, health & social services | 7.5% | 7.5% |
| Other | 23.7% | 23.7% |
| City | Population | Household Income | National Avg. |
| Polk City, IA | 4,940 | $189,188 | 132.6% |
| Alleman, IA | 447 | $167,707 | 106.2% |
| Huxley, IA | 4,000 | $163,490 | 101.0% |
| Kelley, IA | 377 | $153,700 | 89.0% |
| Granger, IA | 1,931 | $144,569 | 77.7% |
| Sheldahl, IA | 346 | $101,376 | 24.6% |
| City | Population | Household Income | National Avg. |
| Tununak, AK | 346 | $50,132 | 38.4% |
| Eckley, CO | 346 | $53,959 | 33.7% |
| Westville, FL | 346 | $71,363 | 12.3% |
| Concord, GA | 346 | $73,029 | 10.2% |
| Fargo, GA | 346 | $91,169 | 12.1% |
| Sheldahl, IA | 346 | $101,376 | 24.6% |