| Index | Madison | South Dakota | National |
| Income per capita | $36,512 | $41,166 | $44,883 |
| Median household income | $80,635 | $77,914 | $81,333 |
| Median income owner occupied | $102,532 | $100,475 | $106,172 |
| Median income renter occupied | $0 | $45,187 | $52,080 |
| Median earnings male | $32,402 | $52,540 | $54,343 |
| Median earnings female | $40,390 | $36,073 | $38,439 |
| Unemployment rate | 2.8% | 2.9% | 4.9% |
| Poverty level | 17.1% | 14.0% | 15.1% |

| 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 | 833 | $144,053 | 77.1% |
| Brant Lake, SD | 68 | $127,409 | 56.7% |
| Colman, SD | 707 | $123,482 | 51.8% |
| Chester, SD | 292 | $86,340 | 6.2% |
| Wentworth, SD | 157 | $85,569 | 5.2% |
| Madison, SD | 7,489 | $80,635 | 0.9% |
| City | Population | Household Income | National Avg. |
| Paloma Creek South, TX | 7,488 | $171,526 | 110.9% |
| Washington, IA | 7,490 | $81,927 | 0.7% |
| Ridgefield, CT | 7,492 | $200,088 | 146.0% |
| Wauseon, OH | 7,485 | $85,259 | 4.8% |
| Parkville, PA | 7,493 | $103,561 | 27.3% |
| Madison, SD | 7,489 | $80,635 | 0.9% |