| Index | Tarkio | Missouri | National |
| Income per capita | $41,325 | $39,715 | $44,883 |
| Median household income | $75,333 | $72,613 | $81,333 |
| Median income owner occupied | $82,868 | $90,986 | $106,172 |
| Median income renter occupied | $56,457 | $45,210 | $52,080 |
| Median earnings male | $45,353 | $52,324 | $54,343 |
| Median earnings female | $38,559 | $36,971 | $38,439 |
| Unemployment rate | 2.3% | 4.4% | 4.9% |
| Poverty level | 14.0% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 4.8% | 4.8% |
| Manufacturing sector | 12.8% | 12.8% |
| Financial & insurance services | 4.6% | 4.6% |
| Wholesale & retail services | 15.3% | 15.3% |
| Public administration | 1.8% | 1.8% |
| Transportation, warehousing & utilities | 14.4% | 14.4% |
| Education, health & social services | 12.1% | 12.1% |
| Other | 32.6% | 32.6% |
| City | Population | Household Income | National Avg. |
| Elmo, MO | 184 | $76,350 | 6.1% |
| Rock Port, MO | 1,382 | $75,503 | 7.2% |
| Brownville, NE | 130 | $72,125 | 11.3% |
| Watson, MO | 39 | $71,896 | 11.6% |
| Fairfax, MO | 721 | $70,706 | 13.1% |
| Tarkio, MO | 1,513 | $75,333 | 7.4% |
| City | Population | Household Income | National Avg. |
| Coeburn, VA | 1,513 | $66,449 | 18.3% |
| Hamlin, WV | 1,513 | $54,798 | 32.6% |
| Noyan, QC | 1,513 | n/a | |
| Pinawa, MB | 1,513 | n/a | |
| Vance, AL | 1,514 | $92,360 | 13.6% |
| Tarkio, MO | 1,513 | $75,333 | 7.4% |