| Index | Hartwick | Iowa | National | 
| Income per capita | $21,558 | $28,872 | $29,829 | 
| Median household income | $67,500 | $54,570 | $55,322 | 
| Median income owner occupied | $69,688 | $66,527 | $70,586 | 
| Median income renter occupied | $0 | $30,828 | $35,192 | 
| Median earnings male | $48,750 | $37,409 | $36,919 | 
| Median earnings female | $25,000 | $25,115 | $26,250 | 
| Unemployment rate | 0.0% | 3.1% | 4.7% | 
| Poverty level | 0.0% | 12.3% | 15.1% | 

 
				
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				| Labour Type | Male | Female | 
| Construction industry | 13.3% | 13.3% | 
| Manufacturing sector | 43.3% | 43.3% | 
| Financial & insurance services | 0.0% | 0.0% | 
| Wholesale & retail services | 30.0% | 30.0% | 
| Public administration | 0.0% | 0.0% | 
| Transportation, warehousing & utilities | 10.0% | 10.0% | 
| Education, health & social services | 0.0% | 0.0% | 
| Other | 3.3% | 3.3% | 
| City | Population | Household Income | National Avg. | 
| Luzerne, IA | 125 | $75,208 | 35.9% | 
| Holiday Lake, IA | 330 | $68,654 | 24.1% | 
| Millersburg, IA | 181 | $64,000 | 15.7% | 
| Blairstown, IA | 753 | $63,047 | 14.0% | 
| Vining, IA | 82 | $61,875 | 11.8% | 
| Hartwick, IA | 131 | $67,500 | 22.0% | 
| City | Population | Household Income | National Avg. | 
| Lester, AL | 131 | $43,750 | 20.9% | 
| St. Paul, AR | 131 | $34,659 | 37.4% | 
| Genoa, CO | 131 | $40,833 | 26.2% | 
| Marne, IA | 131 | $50,625 | 8.5% | 
| Monmouth, IA | 131 | $46,250 | 16.4% | 
| Hartwick, IA | 131 | $67,500 | 22.0% |