| Index | Castalia | North Carolina | National |
| Income per capita | $33,674 | $40,311 | $44,883 |
| Median household income | $48,382 | $71,390 | $81,333 |
| Median income owner occupied | $57,656 | $89,419 | $106,172 |
| Median income renter occupied | $40,182 | $45,314 | $52,080 |
| Median earnings male | $33,768 | $47,759 | $54,343 |
| Median earnings female | $35,222 | $37,334 | $38,439 |
| Unemployment rate | 1.7% | 5.4% | 4.9% |
| 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 | 311 | $140,515 | 72.8% |
| Red Oak, NC | 3,517 | $107,689 | 32.4% |
| Dortches, NC | 1,002 | $96,184 | 18.3% |
| Nashville, NC | 5,715 | $86,648 | 6.5% |
| Lake Royale, NC | 3,304 | $85,116 | 4.7% |
| Castalia, NC | 282 | $48,382 | 40.5% |
| City | Population | Household Income | National Avg. |
| Huslia, AK | 282 | $60,150 | 26.0% |
| Oconee, GA | 282 | $0 | 100.0% |
| Kimballton, IA | 282 | $75,833 | 6.8% |
| Lincoln, MI | 282 | $46,066 | 43.4% |
| Echo, MN | 282 | $61,118 | 24.9% |
| Castalia, NC | 282 | $48,382 | 40.5% |