| Index | Marengo | Indiana | National |
| Income per capita | $29,201 | $39,271 | $44,883 |
| Median household income | $48,565 | $75,463 | $81,333 |
| Median income owner occupied | $75,499 | $93,561 | $106,172 |
| Median income renter occupied | $29,259 | $44,330 | $52,080 |
| Median earnings male | $45,340 | $53,211 | $54,343 |
| Median earnings female | $35,336 | $34,936 | $38,439 |
| Unemployment rate | 2.6% | 4.6% | 4.9% |
| Poverty level | 23.3% | 15.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 14.6% | 14.6% |
| Manufacturing sector | 31.8% | 31.8% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 19.1% | 19.1% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 11.5% | 11.5% |
| Education, health & social services | 2.5% | 2.5% |
| Other | 19.1% | 19.1% |
| City | Population | Household Income | National Avg. |
| Livonia, IN | 78 | $80,308 | 1.3% |
| Leavenworth, IN | 416 | $69,340 | 14.7% |
| West Baden Springs, IN | 526 | $68,546 | 15.7% |
| French Lick, IN | 1,830 | $65,439 | 19.5% |
| Corydon, IN | 3,225 | $62,352 | 23.3% |
| Marengo, IN | 680 | $48,565 | 40.3% |
| City | Population | Household Income | National Avg. |
| Central City, AR | 680 | $80,387 | 1.2% |
| Queen Valley, AZ | 680 | $0 | 100.0% |
| Oak Park, GA | 680 | $44,928 | 44.8% |
| Niantic, IL | 680 | $80,050 | 1.6% |
| Cynthiana, IN | 680 | $76,208 | 6.3% |
| Marengo, IN | 680 | $48,565 | 40.3% |