| Index | Madison | South Dakota | National |
| Income per capita | $24,747 | $27,516 | $29,829 |
| Median household income | $54,861 | $52,078 | $55,322 |
| Median income owner occupied | $67,839 | $66,299 | $70,586 |
| Median income renter occupied | $0 | $30,800 | $35,192 |
| Median earnings male | $22,383 | $35,140 | $36,919 |
| Median earnings female | $27,064 | $24,451 | $26,250 |
| Unemployment rate | 2.6% | 2.8% | 4.7% |
| Poverty level | 17.1% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 5.3% | 5.3% |
| Manufacturing sector | 25.1% | 25.1% |
| Financial & insurance services | 3.4% | 3.4% |
| Wholesale & retail services | 16.8% | 16.8% |
| Public administration | 1.8% | 1.8% |
| Transportation, warehousing & utilities | 5.4% | 5.4% |
| Education, health & social services | 17.4% | 17.4% |
| Other | 23.2% | 23.2% |
| City | Population | Household Income | National Avg. |
| Lake Madison, SD | 811 | $97,961 | 77.1% |
| Brant Lake, SD | 66 | $86,058 | 55.6% |
| Colman, SD | 683 | $84,318 | 52.4% |
| Wentworth, SD | 153 | $57,938 | 4.7% |
| Chester, SD | 285 | $57,438 | 3.8% |
| Madison, SD | 7,249 | $54,861 | 0.8% |
| City | Population | Household Income | National Avg. |
| Kill Devil Hills, NC | 7,249 | $59,389 | 7.4% |
| Muskoka Lakes, ON | 7,247 | n/a | |
| Waikele, HI | 7,246 | $103,389 | 86.9% |
| Springs, NY | 7,246 | $101,563 | 83.6% |
| Shefford, QC | 7,246 | n/a | |
| Madison, SD | 7,249 | $54,861 | 0.8% |