| Index | Gilman | Iowa | National |
| Income per capita | $51,888 | $42,672 | $44,883 |
| Median household income | $124,650 | $81,387 | $81,333 |
| Median income owner occupied | $141,932 | $98,724 | $106,172 |
| Median income renter occupied | $46,137 | $45,890 | $52,080 |
| Median earnings male | $68,034 | $54,047 | $54,343 |
| Median earnings female | $45,682 | $36,462 | $38,439 |
| Unemployment rate | 6.8% | 3.2% | 4.9% |
| Poverty level | 12.6% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.3% | 13.3% |
| Manufacturing sector | 24.4% | 24.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 22.2% | 22.2% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 7.4% | 7.4% |
| Education, health & social services | 8.1% | 8.1% |
| Other | 23.0% | 23.0% |
| City | Population | Household Income | National Avg. |
| Oakland Acres, IA | 205 | $134,792 | 65.7% |
| Lambs Grove, IA | 236 | $125,287 | 54.0% |
| Montour, IA | 254 | $99,722 | 22.6% |
| Haverhill, IA | 175 | $94,376 | 16.0% |
| Marshalltown, IA | 27,894 | $81,472 | 0.2% |
| Gilman, IA | 555 | $124,650 | 53.3% |
| City | Population | Household Income | National Avg. |
| Napaskiak, AK | 555 | $45,889 | 43.6% |
| White Plains, AL | 555 | $75,711 | 6.9% |
| Chapin, IL | 555 | $86,017 | 5.8% |
| Fithian, IL | 555 | $88,710 | 9.1% |
| Hayden, IN | 555 | $162,109 | 99.3% |
| Gilman, IA | 555 | $124,650 | 53.3% |