| Index | Kline | South Carolina | National |
| Income per capita | $24,658 | $37,827 | $44,883 |
| Median household income | $50,296 | $68,647 | $81,333 |
| Median income owner occupied | $58,162 | $87,094 | $106,172 |
| Median income renter occupied | $0 | $44,371 | $52,080 |
| Median earnings male | $18,341 | $46,426 | $54,343 |
| Median earnings female | $48,852 | $34,595 | $38,439 |
| Unemployment rate | 4.9% | 5.3% | 4.9% |
| Poverty level | 15.3% | 17.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.1% | 11.1% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 11.1% | 11.1% |
| Public administration | 14.8% | 14.8% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 22.2% | 22.2% |
| Other | 40.7% | 40.7% |
| City | Population | Household Income | National Avg. |
| Snelling, SC | 228 | $74,250 | 8.7% |
| Sycamore, SC | 151 | $58,878 | 27.6% |
| Brunson, SC | 500 | $48,367 | 40.5% |
| Denmark, SC | 3,349 | $47,582 | 41.5% |
| Olar, SC | 318 | $46,236 | 43.2% |
| Kline, SC | 154 | $50,296 | 38.2% |
| City | Population | Household Income | National Avg. |
| Nightmute, AK | 154 | $72,085 | 11.4% |
| Billingsley, AL | 154 | $33,256 | 59.1% |
| Calvert, AL | 154 | $39,901 | 50.9% |
| Cutter, AZ | 154 | $0 | 100.0% |
| Montezuma, CO | 154 | $0 | 100.0% |
| Kline, SC | 154 | $50,296 | 38.2% |