| Index | Markham | Texas | National |
| Income per capita | $16,849 | $27,828 | $29,829 |
| Median household income | $43,790 | $54,727 | $55,322 |
| Median income owner occupied | $43,831 | $70,980 | $70,586 |
| Median income renter occupied | $0 | $36,330 | $35,192 |
| Median earnings male | $38,922 | $36,153 | $36,919 |
| Median earnings female | $0 | $25,035 | $26,250 |
| Unemployment rate | 0.0% | 4.1% | 4.7% |
| Poverty level | 7.7% | 16.7% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 50.8% | 50.8% |
| Financial & insurance services | 8.5% | 8.5% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 25.4% | 25.4% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 15.3% | 15.3% |
| City | Population | Household Income | National Avg. |
| Bay City, TX | 17,672 | $45,089 | 18.5% |
| Van Vleck, TX | 1,293 | $42,346 | 23.5% |
| Blessing, TX | 482 | $0 | 100.0% |
| Markham, TX | 1,029 | $43,790 | 20.8% |
| City | Population | Household Income | National Avg. |
| Hillsdale, MO | 1,029 | $28,661 | 48.2% |
| Mississippi Valley State University, MS | 1,029 | $0 | 100.0% |
| Williamsdale, OH | 1,029 | $91,458 | 65.3% |
| Trail, OR | 1,029 | $34,137 | 38.3% |
| Wallingford, VT | 1,029 | $80,667 | 45.8% |
| Markham, TX | 1,029 | $43,790 | 20.8% |
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