| Index | Clarksville | Iowa | National |
| Income per capita | $36,616 | $42,672 | $44,883 |
| Median household income | $83,473 | $81,387 | $81,333 |
| Median income owner occupied | $94,391 | $98,724 | $106,172 |
| Median income renter occupied | $46,283 | $45,890 | $52,080 |
| Median earnings male | $58,637 | $54,047 | $54,343 |
| Median earnings female | $41,152 | $36,462 | $38,439 |
| Unemployment rate | 5.0% | 3.2% | 4.9% |
| Poverty level | 11.1% | 12.3% | 15.1% |

| 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 | 1,077 | $107,725 | 32.4% |
| Waverly, IA | 10,459 | $97,900 | 20.4% |
| Parkersburg, IA | 1,901 | $89,682 | 10.3% |
| Marble Rock, IA | 329 | $89,625 | 10.2% |
| Plainfield, IA | 416 | $88,376 | 8.7% |
| Clarksville, IA | 1,391 | $83,473 | 2.6% |
| City | Population | Household Income | National Avg. |
| Cactus Flats, AZ | 1,391 | $65,268 | 19.8% |
| Pierce, CO | 1,391 | $103,596 | 27.4% |
| Cressona, PA | 1,391 | $82,608 | 1.6% |
| North Charleroi, PA | 1,391 | $53,255 | 34.5% |
| Enosburg Falls, VT | 1,391 | $65,043 | 20.0% |
| Clarksville, IA | 1,391 | $83,473 | 2.6% |