| Index | St. Marys | Georgia | National |
| Income per capita | $45,800 | $39,653 | $44,883 |
| Median household income | $97,813 | $74,934 | $81,333 |
| Median income owner occupied | $128,348 | $98,982 | $106,172 |
| Median income renter occupied | $66,410 | $46,907 | $52,080 |
| Median earnings male | $65,333 | $52,243 | $54,343 |
| Median earnings female | $36,910 | $37,559 | $38,439 |
| Unemployment rate | 4.6% | 5.6% | 4.9% |
| Poverty level | 16.4% | 17.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.2% | 7.2% |
| Manufacturing sector | 20.5% | 20.5% |
| Financial & insurance services | 1.2% | 1.2% |
| Wholesale & retail services | 18.6% | 18.6% |
| Public administration | 10.3% | 10.3% |
| Transportation, warehousing & utilities | 7.4% | 7.4% |
| Education, health & social services | 9.7% | 9.7% |
| Other | 23.3% | 23.3% |
| City | Population | Household Income | National Avg. |
| Fernandina Beach, FL | 13,006 | $115,541 | 42.1% |
| Yulee, FL | 13,794 | $100,721 | 23.8% |
| Kingsland, GA | 18,088 | $80,827 | 0.6% |
| Kings Bay Base, GA | 3,177 | $61,622 | 24.2% |
| Woodbine, GA | 1,370 | $55,984 | 31.2% |
| St. Marys, GA | 18,720 | $97,813 | 20.3% |
| City | Population | Household Income | National Avg. |
| Schofield Barracks, HI | 18,724 | $93,226 | 14.6% |
| Sudley, VA | 18,730 | $118,360 | 45.5% |
| Harrison, NJ | 18,732 | $101,214 | 24.4% |
| Ashtabula, OH | 18,701 | $51,068 | 37.2% |
| Somerset, MA | 18,700 | $134,926 | 65.9% |
| St. Marys, GA | 18,720 | $97,813 | 20.3% |