| Index | Denmark | Iowa | National |
| Income per capita | $42,799 | $28,872 | $29,829 |
| Median household income | $112,308 | $54,570 | $55,322 |
| Median income owner occupied | $116,667 | $66,527 | $70,586 |
| Median income renter occupied | $0 | $30,828 | $35,192 |
| Median earnings male | $40,234 | $37,409 | $36,919 |
| Median earnings female | $85,571 | $25,115 | $26,250 |
| Unemployment rate | 0.0% | 3.1% | 4.7% |
| Poverty level | 0.0% | 12.3% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 8.3% | 8.3% |
| Manufacturing sector | 29.2% | 29.2% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 21.7% | 21.7% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 17.5% | 17.5% |
| Education, health & social services | 5.0% | 5.0% |
| Other | 18.3% | 18.3% |
| City | Population | Household Income | National Avg. |
| Houghton, IA | 104 | $91,250 | 64.9% |
| Beaverdale, IA | 886 | $67,679 | 22.3% |
| Middletown, IA | 447 | $66,667 | 20.5% |
| Danville, IA | 931 | $60,500 | 9.4% |
| St. Paul, IA | 65 | $60,000 | 8.5% |
| Denmark, IA | 504 | $112,308 | 103.0% |
| City | Population | Household Income | National Avg. |
| Simla, CO | 504 | $44,844 | 18.9% |
| Daisy, GA | 504 | $0 | 100.0% |
| Martensdale, IA | 504 | $47,083 | 14.9% |
| Hudson, IN | 504 | $51,250 | 7.4% |
| Miltonvale, KS | 504 | $45,625 | 17.5% |
| Denmark, IA | 504 | $112,308 | 103.0% |
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