| Index | Darlington | Maryland | National |
| Income per capita | $68,481 | $55,489 | $44,883 |
| Median household income | $151,846 | $112,126 | $81,333 |
| Median income owner occupied | $148,885 | $142,381 | $106,172 |
| Median income renter occupied | $0 | $70,540 | $52,080 |
| Median earnings male | $0 | $69,331 | $54,343 |
| Median earnings female | $112,744 | $51,519 | $38,439 |
| Unemployment rate | 5.4% | 4.8% | 4.9% |
| 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 | 9,449 | $198,542 | 144.1% |
| Pleasant Hills, MD | 4,129 | $181,835 | 123.6% |
| Aberdeen Proving Ground, MD | 2,803 | $177,081 | 117.7% |
| Bel Air North, MD | 31,605 | $173,760 | 113.6% |
| Jarrettsville, MD | 2,889 | $172,411 | 112.0% |
| Darlington, MD | 533 | $151,846 | 86.7% |
| City | Population | Household Income | National Avg. |
| Cedar Creek, AZ | 533 | $56,522 | 30.5% |
| Seymour, IA | 533 | $55,621 | 31.6% |
| Golf, IL | 533 | $294,820 | 262.5% |
| Fancy Farm, KY | 533 | $52,114 | 35.9% |
| South Williamson, KY | 533 | $147,681 | 81.6% |
| Darlington, MD | 533 | $151,846 | 86.7% |