| Index | Erma | New Jersey | National |
| Income per capita | $52,430 | $55,297 | $44,883 |
| Median household income | $123,935 | $108,915 | $81,333 |
| Median income owner occupied | $131,900 | $143,334 | $106,172 |
| Median income renter occupied | $75,307 | $61,880 | $52,080 |
| Median earnings male | $74,900 | $69,742 | $54,343 |
| Median earnings female | $33,524 | $46,406 | $38,439 |
| Unemployment rate | 7.2% | 5.4% | 4.9% |
| Poverty level | 0.4% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 21.6% | 21.6% |
| Manufacturing sector | 4.1% | 4.1% |
| Financial & insurance services | 2.2% | 2.2% |
| Wholesale & retail services | 1.7% | 1.7% |
| Public administration | 4.8% | 4.8% |
| Transportation, warehousing & utilities | 14.5% | 14.5% |
| Education, health & social services | 5.4% | 5.4% |
| Other | 45.8% | 45.8% |
| City | Population | Household Income | National Avg. |
| Avalon, NJ | 1,492 | $179,717 | 121.0% |
| Stone Harbor, NJ | 904 | $166,380 | 104.6% |
| Rio Grande, NJ | 2,827 | $117,425 | 44.4% |
| West Cape May, NJ | 1,043 | $115,468 | 42.0% |
| Sea Isle City, NJ | 2,177 | $112,758 | 38.6% |
| Erma, NJ | 2,113 | $123,935 | 52.4% |
| City | Population | Household Income | National Avg. |
| Byron, CA | 2,113 | $119,573 | 47.0% |
| Pine Grove, CA | 2,113 | $92,313 | 13.5% |
| San Pasqual, CA | 2,113 | $154,856 | 90.4% |
| WaKeeney, KS | 2,113 | $82,918 | 1.9% |
| West Buechel, KY | 2,113 | $65,226 | 19.8% |
| Erma, NJ | 2,113 | $123,935 | 52.4% |