| Index | Castalia | North Carolina | National |
| Income per capita | $22,311 | $26,779 | $29,829 |
| Median household income | $32,292 | $48,256 | $55,322 |
| Median income owner occupied | $38,750 | $61,102 | $70,586 |
| Median income renter occupied | $26,477 | $31,027 | $35,192 |
| Median earnings male | $22,813 | $32,737 | $36,919 |
| Median earnings female | $23,750 | $25,062 | $26,250 |
| Unemployment rate | 1.6% | 5.1% | 4.7% |
| Poverty level | 22.5% | 16.8% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 10.6% | 10.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 29.4% | 29.4% |
| Public administration | 4.7% | 4.7% |
| Transportation, warehousing & utilities | 8.2% | 8.2% |
| Education, health & social services | 20.0% | 20.0% |
| Other | 27.1% | 27.1% |
| City | Population | Household Income | National Avg. |
| Centerville, NC | 302 | $92,656 | 67.5% |
| Red Oak, NC | 3,446 | $73,010 | 32.0% |
| Dortches, NC | 978 | $63,942 | 15.6% |
| Nashville, NC | 5,521 | $57,536 | 4.0% |
| Lake Royale, NC | 3,228 | $56,625 | 2.4% |
| Castalia, NC | 276 | $32,292 | 41.6% |
| City | Population | Household Income | National Avg. |
| Olsburg, KS | 276 | $66,500 | 20.2% |
| Des Arc, MO | 276 | $34,250 | 38.1% |
| Henderson Point, MS | 276 | $32,196 | 41.8% |
| Edmore, ND | 276 | $58,137 | 5.1% |
| Pilger, NE | 276 | $57,500 | 3.9% |
| Castalia, NC | 276 | $32,292 | 41.6% |
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