| Index | Northlake | Texas | National |
| Income per capita | $51,306 | $27,828 | $29,829 |
| Median household income | $92,750 | $54,727 | $55,322 |
| Median income owner occupied | $154,904 | $70,980 | $70,586 |
| Median income renter occupied | $63,295 | $36,330 | $35,192 |
| Median earnings male | $78,125 | $36,153 | $36,919 |
| Median earnings female | $41,995 | $25,035 | $26,250 |
| Unemployment rate | 2.5% | 4.1% | 4.7% |
| Poverty level | 4.8% | 16.7% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 7.6% | 7.6% |
| Manufacturing sector | 23.0% | 23.0% |
| Financial & insurance services | 3.7% | 3.7% |
| Wholesale & retail services | 7.6% | 7.6% |
| Public administration | 6.0% | 6.0% |
| Transportation, warehousing & utilities | 20.5% | 20.5% |
| Education, health & social services | 7.1% | 7.1% |
| Other | 22.5% | 22.5% |
| City | Population | Household Income | National Avg. |
| Westlake, TX | 1,511 | $244,063 | 341.2% |
| Southlake, TX | 31,684 | $223,621 | 304.2% |
| Argyle, TX | 4,278 | $190,500 | 244.3% |
| Lantana, TX | 10,152 | $172,731 | 212.2% |
| Double Oak, TX | 3,099 | $167,000 | 201.9% |
| Northlake, TX | 3,182 | $92,750 | 67.7% |
| City | Population | Household Income | National Avg. |
| Mount Morris, IL | 3,182 | $42,962 | 22.3% |
| Ravena, NY | 3,181 | $60,208 | 8.8% |
| Tallapoosa, GA | 3,180 | $55,086 | 0.4% |
| Lowesville, NC | 3,180 | $100,917 | 82.4% |
| Saddle River, NJ | 3,180 | $169,018 | 205.5% |
| Northlake, TX | 3,182 | $92,750 | 67.7% |
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