| Index | Ferney | South Dakota | National |
| Income per capita | $49,071 | $41,166 | $44,883 |
| Median household income | $53,718 | $77,914 | $81,333 |
| Median income owner occupied | $54,135 | $100,475 | $106,172 |
| Median income renter occupied | $0 | $45,187 | $52,080 |
| Median earnings male | $0 | $52,540 | $54,343 |
| Median earnings female | $0 | $36,073 | $38,439 |
| Unemployment rate | 0.0% | 2.9% | 4.9% |
| Poverty level | 0.0% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | n/a | n/a |
| Manufacturing sector | n/a | n/a |
| Financial & insurance services | n/a | n/a |
| Wholesale & retail services | n/a | n/a |
| Public administration | n/a | n/a |
| Transportation, warehousing & utilities | n/a | n/a |
| Education, health & social services | n/a | n/a |
| Other | n/a | n/a |
| City | Population | Household Income | National Avg. |
| Groton, SD | 1,915 | $116,300 | 43.0% |
| Stratford, SD | 43 | $90,753 | 11.6% |
| Pierpont, SD | 198 | $89,051 | 9.5% |
| Brentford, SD | 63 | $62,111 | 23.6% |
| Andover, SD | 81 | $60,703 | 25.4% |
| Ferney, SD | 39 | $53,718 | 34.0% |
| City | Population | Household Income | National Avg. |
| Central, AK | 39 | $24,115 | 70.4% |
| Whelen Springs, AR | 39 | $65,567 | 19.4% |
| Valley Ranch, CA | 39 | $0 | 100.0% |
| Whitehawk, CA | 39 | $0 | 100.0% |
| Sawpit, CO | 39 | $0 | 100.0% |
| Ferney, SD | 39 | $53,718 | 34.0% |