| Index | San Carlos | Texas | National |
| Income per capita | $15,833 | $41,777 | $44,883 |
| Median household income | $43,811 | $80,880 | $81,333 |
| Median income owner occupied | $47,644 | $107,635 | $106,172 |
| Median income renter occupied | $0 | $54,463 | $52,080 |
| Median earnings male | $31,217 | $53,620 | $54,343 |
| Median earnings female | $18,402 | $36,296 | $38,439 |
| Unemployment rate | 12.2% | 4.3% | 4.9% |
| Poverty level | 35.0% | 16.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 44.0% | 44.0% |
| Manufacturing sector | 9.4% | 9.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 22.2% | 22.2% |
| Public administration | 5.0% | 5.0% |
| Transportation, warehousing & utilities | 1.3% | 1.3% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 12.0% | 12.0% |
| City | Population | Household Income | National Avg. |
| Zapata Ranch, TX | 220 | $136,394 | 67.7% |
| Relampago, TX | 395 | $123,278 | 51.6% |
| Palmhurst, TX | 2,816 | $112,909 | 38.8% |
| Murillo, TX | 9,633 | $90,750 | 11.6% |
| César Chávez, TX | 729 | $90,619 | 11.4% |
| San Carlos, TX | 4,024 | $43,811 | 46.1% |
| City | Population | Household Income | National Avg. |
| North River Shores, FL | 4,024 | $96,755 | 19.0% |
| Saint-Ambroise-de-Kildare, QC | 4,024 | n/a | |
| Jasper, GA | 4,023 | $50,149 | 38.3% |
| Sparks, TX | 4,023 | $55,021 | 32.4% |
| Malmstrom AFB, MT | 4,025 | $76,462 | 6.0% |
| San Carlos, TX | 4,024 | $43,811 | 46.1% |