| Index | Duncanville | Texas | National |
| Income per capita | $38,005 | $41,777 | $44,883 |
| Median household income | $86,646 | $80,880 | $81,333 |
| Median income owner occupied | $106,970 | $107,635 | $106,172 |
| Median income renter occupied | $60,931 | $54,463 | $52,080 |
| Median earnings male | $53,904 | $53,620 | $54,343 |
| Median earnings female | $47,072 | $36,296 | $38,439 |
| Unemployment rate | 5.8% | 4.3% | 4.9% |
| Poverty level | 12.7% | 16.7% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 8.0% | 8.0% |
| Manufacturing sector | 12.4% | 12.4% |
| Financial & insurance services | 2.3% | 2.3% |
| Wholesale & retail services | 15.0% | 15.0% |
| Public administration | 4.5% | 4.5% |
| Transportation, warehousing & utilities | 11.7% | 11.7% |
| Education, health & social services | 11.5% | 11.5% |
| Other | 31.9% | 31.9% |
| City | Population | Household Income | National Avg. |
| University Park, TX | 25,903 | $366,538 | 350.7% |
| Highland Park, TX | 9,451 | $321,877 | 295.8% |
| Oak Leaf, TX | 1,854 | $189,320 | 132.8% |
| Dalworthington Gardens, TX | 2,245 | $169,608 | 108.5% |
| Mansfield, TX | 73,975 | $151,917 | 86.8% |
| Duncanville, TX | 40,397 | $86,646 | 6.5% |
| City | Population | Household Income | National Avg. |
| Milton, GA | 40,389 | $190,407 | 134.1% |
| Lancaster, TX | 40,385 | $84,441 | 3.8% |
| Marumsco, VA | 40,366 | $99,144 | 21.9% |
| Royal Palm Beach, FL | 40,430 | $124,713 | 53.3% |
| South Valley, NM | 40,361 | $62,616 | 23.0% |
| Duncanville, TX | 40,397 | $86,646 | 6.5% |