| Index | San Carlos I | Texas | National |
| Income per capita | $12,226 | $41,777 | $44,883 |
| Median household income | $0 | $80,880 | $81,333 |
| Median income owner occupied | $0 | $107,635 | $106,172 |
| Median income renter occupied | $0 | $54,463 | $52,080 |
| Median earnings male | $0 | $53,620 | $54,343 |
| Median earnings female | $0 | $36,296 | $38,439 |
| Unemployment rate | 0.0% | 4.3% | 4.9% |
| Poverty level | 51.5% | 16.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| 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 | 100.0% | 100.0% |
| City | Population | Household Income | National Avg. |
| Ranchos Penitas West, TX | 780 | $110,953 | 36.4% |
| Laredo, TX | 268,554 | $74,785 | 8.1% |
| Ranchitos East, TX | 408 | $67,131 | 17.5% |
| La Presa, TX | 254 | $67,031 | 17.6% |
| Pueblo Nuevo, TX | 742 | $50,714 | 37.6% |
| San Carlos I, TX | 321 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Camak, GA | 321 | $76,069 | 6.5% |
| Bancroft, ID | 321 | $85,122 | 4.7% |
| Wingate, IN | 321 | $85,061 | 4.6% |
| Westwood, MO | 321 | $368,561 | 353.2% |
| Macclesfield, NC | 321 | $48,006 | 41.0% |
| San Carlos I, TX | 321 | $0 | 100.0% |