| Index | Darlington | Maryland | National |
| Income per capita | $46,143 | $37,756 | $29,829 |
| Median household income | $103,250 | $76,067 | $55,322 |
| Median income owner occupied | $101,786 | $95,994 | $70,586 |
| Median income renter occupied | $0 | $47,333 | $35,192 |
| Median earnings male | $0 | $46,495 | $36,919 |
| Median earnings female | $76,875 | $35,612 | $26,250 |
| Unemployment rate | 5.1% | 4.5% | 4.7% |
| Poverty level | 4.7% | 9.9% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 6.2% | 6.2% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 26.9% | 26.9% |
| Public administration | 10.0% | 10.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 13.8% | 13.8% |
| Other | 43.1% | 43.1% |
| City | Population | Household Income | National Avg. |
| Fallston, MD | 9,118 | $130,625 | 136.1% |
| Pleasant Hills, MD | 4,017 | $121,974 | 120.5% |
| Aberdeen Proving Ground, MD | 2,724 | $120,583 | 118.0% |
| Jarrettsville, MD | 2,827 | $117,833 | 113.0% |
| Bel Air North, MD | 30,639 | $117,129 | 111.7% |
| Darlington, MD | 522 | $103,250 | 86.6% |
| City | Population | Household Income | National Avg. |
| Huntington, AR | 522 | $32,727 | 40.8% |
| Centralhatchee, GA | 522 | $43,750 | 20.9% |
| Colesburg, IA | 522 | $42,366 | 23.4% |
| Rankin, IL | 522 | $45,313 | 18.1% |
| Mooringsport, LA | 522 | $21,346 | 61.4% |
| Darlington, MD | 522 | $103,250 | 86.6% |
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