| Index | Middletown | Iowa | National |
| Income per capita | $35,864 | $42,672 | $44,883 |
| Median household income | $97,406 | $81,387 | $81,333 |
| Median income owner occupied | $129,440 | $98,724 | $106,172 |
| Median income renter occupied | $41,664 | $45,890 | $52,080 |
| Median earnings male | $65,281 | $54,047 | $54,343 |
| Median earnings female | $40,184 | $36,462 | $38,439 |
| Unemployment rate | 3.1% | 3.2% | 4.9% |
| Poverty level | 11.6% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 22.7% | 22.7% |
| Manufacturing sector | 34.1% | 34.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 8.0% | 8.0% |
| Public administration | 10.2% | 10.2% |
| Transportation, warehousing & utilities | 11.4% | 11.4% |
| Education, health & social services | 1.1% | 1.1% |
| Other | 6.8% | 6.8% |
| City | Population | Household Income | National Avg. |
| Denmark, IA | 516 | $166,445 | 104.6% |
| Beaverdale, IA | 918 | $100,146 | 23.1% |
| Danville, IA | 963 | $90,479 | 11.2% |
| Mediapolis, IA | 2,178 | $89,142 | 9.6% |
| St. Paul, IA | 66 | $88,318 | 8.6% |
| Middletown, IA | 459 | $97,406 | 19.8% |
| City | Population | Household Income | National Avg. |
| Pleasant Valley, AK | 459 | $81,240 | 0.1% |
| Houston, DE | 459 | $110,153 | 35.4% |
| Farragut, IA | 459 | $80,006 | 1.6% |
| Laketon, IN | 459 | $67,282 | 17.3% |
| Waveland, IN | 459 | $77,224 | 5.1% |
| Middletown, IA | 459 | $97,406 | 19.8% |