| Index | St. James | Maryland | National |
| Income per capita | $54,085 | $55,489 | $44,883 |
| Median household income | $123,358 | $112,126 | $81,333 |
| Median income owner occupied | $150,625 | $142,381 | $106,172 |
| Median income renter occupied | $77,467 | $70,540 | $52,080 |
| Median earnings male | $80,211 | $69,331 | $54,343 |
| Median earnings female | $49,175 | $51,519 | $38,439 |
| Unemployment rate | 0.0% | 4.8% | 4.9% |
| Poverty level | 5.4% | 9.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 16.1% | 16.1% |
| Manufacturing sector | 4.4% | 4.4% |
| Financial & insurance services | 3.2% | 3.2% |
| Wholesale & retail services | 3.5% | 3.5% |
| Public administration | 10.9% | 10.9% |
| Transportation, warehousing & utilities | 11.0% | 11.0% |
| Education, health & social services | 14.6% | 14.6% |
| Other | 35.4% | 35.4% |
| City | Population | Household Income | National Avg. |
| Beaver Creek, MD | 554 | $291,714 | 258.7% |
| Jugtown, MD | 245 | $241,681 | 197.1% |
| Middletown, MD | 4,813 | $215,888 | 165.4% |
| Mount Aetna, MD | 614 | $204,934 | 152.0% |
| Myersville, MD | 2,284 | $183,780 | 126.0% |
| St. James, MD | 3,676 | $123,358 | 51.7% |
| City | Population | Household Income | National Avg. |
| Durham, CT | 3,676 | $182,692 | 124.6% |
| Peralta, NM | 3,676 | $79,776 | 1.9% |
| Camden, ME | 3,675 | $106,787 | 31.3% |
| Elim, PA | 3,675 | $77,494 | 4.7% |
| Colonial Beach, VA | 3,675 | $80,866 | 0.6% |
| St. James, MD | 3,676 | $123,358 | 51.7% |