| Index | Irwin | Missouri | National |
| Income per capita | $0 | $39,715 | $44,883 |
| Median household income | $0 | $72,613 | $81,333 |
| Median income owner occupied | $0 | $90,986 | $106,172 |
| Median income renter occupied | $0 | $45,210 | $52,080 |
| Median earnings male | $0 | $52,324 | $54,343 |
| Median earnings female | $0 | $36,971 | $38,439 |
| Unemployment rate | 0.0% | 4.4% | 4.9% |
| Poverty level | 0.0% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 100.0% | 100.0% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 0.0% | 0.0% |
| City | Population | Household Income | National Avg. |
| Moundville, MO | 111 | $69,708 | 14.3% |
| Golden City, MO | 652 | $60,412 | 25.7% |
| Liberal, MO | 691 | $57,103 | 29.8% |
| Sheldon, MO | 420 | $50,643 | 37.7% |
| Milo, MO | 44 | $49,843 | 38.7% |
| Irwin, MO | 23 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Oak Hill, AL | 23 | $0 | 100.0% |
| Parshall, CO | 23 | $0 | 100.0% |
| Dana, IA | 23 | $0 | 100.0% |
| Pioneer, IA | 23 | $0 | 100.0% |
| Detroit, IL | 23 | $0 | 100.0% |
| Irwin, MO | 23 | $0 | 100.0% |