| Index | Clarksville | Iowa | National |
| Income per capita | $24,867 | $28,872 | $29,829 |
| Median household income | $55,956 | $54,570 | $55,322 |
| Median income owner occupied | $63,750 | $66,527 | $70,586 |
| Median income renter occupied | $31,250 | $30,828 | $35,192 |
| Median earnings male | $40,125 | $37,409 | $36,919 |
| Median earnings female | $27,667 | $25,115 | $26,250 |
| Unemployment rate | 4.8% | 3.1% | 4.7% |
| Poverty level | 11.1% | 12.3% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 6.5% | 6.5% |
| Manufacturing sector | 27.7% | 27.7% |
| Financial & insurance services | 0.7% | 0.7% |
| Wholesale & retail services | 11.6% | 11.6% |
| Public administration | 1.0% | 1.0% |
| Transportation, warehousing & utilities | 7.9% | 7.9% |
| Education, health & social services | 7.2% | 7.2% |
| Other | 36.0% | 36.0% |
| City | Population | Household Income | National Avg. |
| Janesville, IA | 1,051 | $72,500 | 31.1% |
| Waverly, IA | 10,172 | $65,701 | 18.8% |
| Parkersburg, IA | 1,849 | $60,530 | 9.4% |
| Plainfield, IA | 405 | $59,250 | 7.1% |
| Marble Rock, IA | 322 | $59,250 | 7.1% |
| Clarksville, IA | 1,345 | $55,956 | 1.1% |
| City | Population | Household Income | National Avg. |
| Tsaile, AZ | 1,345 | $28,438 | 48.6% |
| Apple Mountain Lake, VA | 1,345 | $71,736 | 29.7% |
| Camanche Village, CA | 1,344 | $133,047 | 140.5% |
| Jewell Junction, IA | 1,346 | $76,607 | 38.5% |
| Plandome, NY | 1,346 | $250,001 | 351.9% |
| Clarksville, IA | 1,345 | $55,956 | 1.1% |