| Index | Roby | Texas | National |
| Income per capita | $37,953 | $41,777 | $44,883 |
| Median household income | $81,724 | $80,880 | $81,333 |
| Median income owner occupied | $83,989 | $107,635 | $106,172 |
| Median income renter occupied | $43,715 | $54,463 | $52,080 |
| Median earnings male | $61,138 | $53,620 | $54,343 |
| Median earnings female | $31,919 | $36,296 | $38,439 |
| Unemployment rate | 0.9% | 4.3% | 4.9% |
| Poverty level | 7.9% | 16.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 18.5% | 18.5% |
| Manufacturing sector | 12.9% | 12.9% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 3.4% | 3.4% |
| Transportation, warehousing & utilities | 1.7% | 1.7% |
| Education, health & social services | 24.0% | 24.0% |
| Other | 39.5% | 39.5% |
| City | Population | Household Income | National Avg. |
| Hamlin, TX | 1,869 | $71,820 | 11.7% |
| Rotan, TX | 1,326 | $57,043 | 29.9% |
| Roby, TX | 828 | $81,724 | 0.5% |
| City | Population | Household Income | National Avg. |
| Allgood, AL | 828 | $71,011 | 12.7% |
| Fouke, AR | 828 | $40,884 | 49.7% |
| Alburnett, IA | 828 | $105,379 | 29.6% |
| Alden, IA | 828 | $83,675 | 2.9% |
| Gilbertville, IA | 828 | $97,883 | 20.3% |
| Roby, TX | 828 | $81,724 | 0.5% |