| Index | Brooklyn | Iowa | National |
| Income per capita | $26,516 | $28,872 | $29,829 |
| Median household income | $50,435 | $54,570 | $55,322 |
| Median income owner occupied | $67,875 | $66,527 | $70,586 |
| Median income renter occupied | $39,318 | $30,828 | $35,192 |
| Median earnings male | $36,172 | $37,409 | $36,919 |
| Median earnings female | $23,523 | $25,115 | $26,250 |
| Unemployment rate | 3.1% | 3.1% | 4.7% |
| Poverty level | 17.1% | 12.3% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 25.0% | 25.0% |
| Manufacturing sector | 26.3% | 26.3% |
| Financial & insurance services | 1.6% | 1.6% |
| Wholesale & retail services | 15.9% | 15.9% |
| Public administration | 0.5% | 0.5% |
| Transportation, warehousing & utilities | 7.1% | 7.1% |
| Education, health & social services | 4.2% | 4.2% |
| Other | 18.8% | 18.8% |
| City | Population | Household Income | National Avg. |
| Luzerne, IA | 125 | $75,208 | 35.9% |
| Holiday Lake, IA | 330 | $68,654 | 24.1% |
| Hartwick, IA | 131 | $67,500 | 22.0% |
| Millersburg, IA | 181 | $64,000 | 15.7% |
| Ladora, IA | 223 | $57,083 | 3.2% |
| Brooklyn, IA | 1,677 | $50,435 | 8.8% |
| City | Population | Household Income | National Avg. |
| Freedom, PA | 1,677 | $48,239 | 12.8% |
| Division No. 4, Subd. A, NL | 1,677 | n/a | |
| Lake Isabella, MI | 1,676 | $71,167 | 28.6% |
| Sandy Valley, NV | 1,678 | $83,713 | 51.3% |
| Patton, PA | 1,678 | $57,759 | 4.4% |
| Brooklyn, IA | 1,677 | $50,435 | 8.8% |
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