| Index | Martin | South Dakota | National |
| Income per capita | $33,290 | $41,166 | $44,883 |
| Median household income | $60,885 | $77,914 | $81,333 |
| Median income owner occupied | $60,730 | $100,475 | $106,172 |
| Median income renter occupied | $56,868 | $45,187 | $52,080 |
| Median earnings male | $56,366 | $52,540 | $54,343 |
| Median earnings female | $51,801 | $36,073 | $38,439 |
| Unemployment rate | 3.3% | 2.9% | 4.9% |
| Poverty level | 22.7% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 10.4% | 10.4% |
| Manufacturing sector | 3.0% | 3.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 23.9% | 23.9% |
| Public administration | 1.7% | 1.7% |
| Transportation, warehousing & utilities | 17.4% | 17.4% |
| Education, health & social services | 16.5% | 16.5% |
| Other | 23.0% | 23.0% |
| City | Population | Household Income | National Avg. |
| Allen, SD | 487 | $14,018 | 82.8% |
| Martin, SD | 1,193 | $60,885 | 25.1% |
| City | Population | Household Income | National Avg. |
| Cottage City, MD | 1,193 | $86,227 | 6.0% |
| Gholson, TX | 1,193 | $85,310 | 4.9% |
| Daniel, UT | 1,193 | $135,254 | 66.3% |
| Asotin, WA | 1,193 | $83,967 | 3.2% |
| Sea Ranch, CA | 1,194 | $117,532 | 44.5% |
| Martin, SD | 1,193 | $60,885 | 25.1% |