| Index | Langford | South Dakota | National |
| Income per capita | $23,709 | $27,516 | $29,829 |
| Median household income | $53,438 | $52,078 | $55,322 |
| Median income owner occupied | $51,250 | $66,299 | $70,586 |
| Median income renter occupied | $54,375 | $30,800 | $35,192 |
| Median earnings male | $37,969 | $35,140 | $36,919 |
| Median earnings female | $20,156 | $24,451 | $26,250 |
| Unemployment rate | 2.0% | 2.8% | 4.7% |
| Poverty level | 9.3% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 0.8% | 0.8% |
| Manufacturing sector | 27.1% | 27.1% |
| Financial & insurance services | 3.4% | 3.4% |
| Wholesale & retail services | 16.9% | 16.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 5.9% | 5.9% |
| Education, health & social services | 25.4% | 25.4% |
| Other | 20.3% | 20.3% |
| City | Population | Household Income | National Avg. |
| Groton, SD | 1,842 | $76,765 | 38.8% |
| Britton, SD | 1,339 | $67,321 | 21.7% |
| Pierpont, SD | 193 | $59,792 | 8.1% |
| Claremont, SD | 51 | $41,250 | 25.4% |
| Andover, SD | 78 | $40,000 | 27.7% |
| Langford, SD | 525 | $53,438 | 3.4% |
| City | Population | Household Income | National Avg. |
| Elma, IA | 525 | $27,330 | 50.6% |
| Como, IL | 525 | $79,250 | 43.3% |
| Painted Hills, IN | 525 | $63,828 | 15.4% |
| Deerfield, MA | 525 | $0 | 100.0% |
| Carp Lake, MI | 525 | $33,875 | 38.8% |
| Langford, SD | 525 | $53,438 | 3.4% |