| Index | Deal Island | Maryland | National |
| Income per capita | $45,232 | $55,489 | $44,883 |
| Median household income | $35,206 | $112,126 | $81,333 |
| Median income owner occupied | $35,405 | $142,381 | $106,172 |
| Median income renter occupied | $0 | $70,540 | $52,080 |
| Median earnings male | $45,166 | $69,331 | $54,343 |
| Median earnings female | $38,233 | $51,519 | $38,439 |
| Unemployment rate | 0.0% | 4.8% | 4.9% |
| Poverty level | 19.6% | 9.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 26.9% | 26.9% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 9.6% | 9.6% |
| Public administration | 9.6% | 9.6% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 19.2% | 19.2% |
| Other | 34.6% | 34.6% |
| City | Population | Household Income | National Avg. |
| Allen, MD | 429 | $172,843 | 112.5% |
| Mount Vernon, MD | 1,052 | $131,934 | 62.2% |
| Jesterville, MD | 230 | $120,606 | 48.3% |
| Fairmount, MD | 421 | $103,964 | 27.8% |
| Smith Island, MD | 267 | $101,752 | 25.1% |
| Deal Island, MD | 325 | $35,206 | 56.7% |
| City | Population | Household Income | National Avg. |
| Gillsville, GA | 325 | $113,729 | 39.8% |
| McCook, IL | 325 | $111,061 | 36.6% |
| McCune, KS | 325 | $50,784 | 37.6% |
| Villard, MN | 325 | $63,904 | 21.4% |
| Hobgood, NC | 325 | $61,454 | 24.4% |
| Deal Island, MD | 325 | $35,206 | 56.7% |