| Index | Sulphur | Oklahoma | National |
| Income per capita | $39,051 | $38,159 | $44,883 |
| Median household income | $72,422 | $72,914 | $81,333 |
| Median income owner occupied | $77,566 | $89,008 | $106,172 |
| Median income renter occupied | $54,290 | $46,375 | $52,080 |
| Median earnings male | $50,189 | $51,967 | $54,343 |
| Median earnings female | $42,174 | $34,837 | $38,439 |
| Unemployment rate | 1.8% | 3.8% | 4.9% |
| Poverty level | 20.9% | 16.5% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 9.4% | 9.4% |
| Manufacturing sector | 8.0% | 8.0% |
| Financial & insurance services | 3.2% | 3.2% |
| Wholesale & retail services | 22.1% | 22.1% |
| Public administration | 4.3% | 4.3% |
| Transportation, warehousing & utilities | 5.8% | 5.8% |
| Education, health & social services | 11.3% | 11.3% |
| Other | 33.0% | 33.0% |
| City | Population | Household Income | National Avg. |
| Hickory, OK | 201 | $87,424 | 7.5% |
| Mill Creek, OK | 309 | $67,710 | 16.7% |
| Davis, OK | 2,928 | $66,826 | 17.8% |
| Wynnewood, OK | 1,875 | $58,605 | 27.9% |
| Roff, OK | 799 | $57,819 | 28.9% |
| Sulphur, OK | 5,132 | $72,422 | 11.0% |
| City | Population | Household Income | National Avg. |
| Platte City, MO | 5,133 | $75,763 | 6.8% |
| Saltillo, MS | 5,133 | $87,652 | 7.8% |
| Northchase, NC | 5,133 | $75,126 | 7.6% |
| West Sayville, NY | 5,133 | $188,037 | 131.2% |
| Perry, OK | 5,130 | $79,283 | 2.5% |
| Sulphur, OK | 5,132 | $72,422 | 11.0% |