| Index | Duncan | Oklahoma | National |
| Income per capita | $25,983 | $25,628 | $29,829 |
| Median household income | $50,017 | $48,038 | $55,322 |
| Median income owner occupied | $62,967 | $60,309 | $70,586 |
| Median income renter occupied | $35,260 | $30,832 | $35,192 |
| Median earnings male | $40,618 | $35,033 | $36,919 |
| Median earnings female | $22,955 | $23,287 | $26,250 |
| Unemployment rate | 3.5% | 3.6% | 4.7% |
| Poverty level | 16.5% | 16.5% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 10.9% | 10.9% |
| Manufacturing sector | 12.9% | 12.9% |
| Financial & insurance services | 2.0% | 2.0% |
| Wholesale & retail services | 20.0% | 20.0% |
| Public administration | 2.4% | 2.4% |
| Transportation, warehousing & utilities | 6.8% | 6.8% |
| Education, health & social services | 8.4% | 8.4% |
| Other | 36.3% | 36.3% |
| City | Population | Household Income | National Avg. |
| Empire City, OK | 830 | $80,714 | 45.9% |
| Bray, OK | 1,053 | $64,773 | 17.1% |
| Central High, OK | 1,507 | $63,188 | 14.2% |
| Marlow, OK | 4,455 | $46,077 | 16.7% |
| Comanche, OK | 1,896 | $37,400 | 32.4% |
| Duncan, OK | 22,529 | $50,017 | 9.6% |
| City | Population | Household Income | National Avg. |
| South Lake Tahoe, CA | 22,535 | $52,871 | 4.4% |
| Hopewell, VA | 22,500 | $43,262 | 21.8% |
| Greenfield, IN | 22,561 | $57,950 | 4.8% |
| Silver Firs, WA | 22,564 | $131,224 | 137.2% |
| Dolton, IL | 22,487 | $50,237 | 9.2% |
| Duncan, OK | 22,529 | $50,017 | 9.6% |
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