| Index | St. Charles | Arkansas | National |
| Income per capita | $31,218 | $34,533 | $44,883 |
| Median household income | $81,355 | $64,269 | $81,333 |
| Median income owner occupied | $89,997 | $78,259 | $106,172 |
| Median income renter occupied | $51,870 | $39,884 | $52,080 |
| Median earnings male | $76,930 | $46,339 | $54,343 |
| Median earnings female | $32,729 | $33,396 | $38,439 |
| Unemployment rate | 0.5% | 4.2% | 4.9% |
| Poverty level | 5.6% | 18.8% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 20.6% | 20.6% |
| Manufacturing sector | 8.8% | 8.8% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 4.4% | 4.4% |
| Public administration | 2.9% | 2.9% |
| Transportation, warehousing & utilities | 4.4% | 4.4% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 58.8% | 58.8% |
| City | Population | Household Income | National Avg. |
| DeWitt, AR | 3,164 | $55,254 | 32.1% |
| Marvell, AR | 1,682 | $49,606 | 39.0% |
| St. Charles, AR | 347 | $81,355 | 0.0% |
| City | Population | Household Income | National Avg. |
| McIntosh, FL | 347 | $77,903 | 4.2% |
| Letts, IA | 347 | $84,268 | 3.6% |
| Brocton, IL | 347 | $76,637 | 5.8% |
| Roann, IN | 347 | $59,650 | 26.7% |
| Greeley County, KS | 347 | $93,818 | 15.4% |
| St. Charles, AR | 347 | $81,355 | 0.0% |