| Index | Erma | New Jersey | National |
| Income per capita | $34,671 | $37,538 | $29,829 |
| Median household income | $83,889 | $73,702 | $55,322 |
| Median income owner occupied | $88,438 | $97,281 | $70,586 |
| Median income renter occupied | $50,479 | $42,169 | $35,192 |
| Median earnings male | $51,012 | $47,369 | $36,919 |
| Median earnings female | $23,140 | $32,116 | $26,250 |
| Unemployment rate | 6.9% | 5.2% | 4.7% |
| 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 | 1,456 | $120,000 | 116.9% |
| Stone Harbor, NJ | 876 | $110,625 | 100.0% |
| Rio Grande, NJ | 2,759 | $78,063 | 41.1% |
| West Cape May, NJ | 1,008 | $77,708 | 40.5% |
| Sea Isle City, NJ | 2,122 | $76,875 | 39.0% |
| Erma, NJ | 2,036 | $83,889 | 51.6% |
| City | Population | Household Income | National Avg. |
| Ellijay, GA | 2,036 | $40,114 | 27.5% |
| Clio, MI | 2,036 | $33,977 | 38.6% |
| Winsted, MN | 2,036 | $50,598 | 8.5% |
| Oakes, ND | 2,036 | $75,848 | 37.1% |
| Conneaut Lakeshore, PA | 2,036 | $60,333 | 9.1% |
| Erma, NJ | 2,036 | $83,889 | 51.6% |
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