| Index | Somerville | Indiana | National |
| Income per capita | $26,481 | $39,271 | $44,883 |
| Median household income | $70,895 | $75,463 | $81,333 |
| Median income owner occupied | $67,422 | $93,561 | $106,172 |
| Median income renter occupied | $135,659 | $44,330 | $52,080 |
| Median earnings male | $68,884 | $53,211 | $54,343 |
| Median earnings female | $24,594 | $34,936 | $38,439 |
| Unemployment rate | 0.0% | 4.6% | 4.9% |
| Poverty level | 10.4% | 15.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.4% | 7.4% |
| Manufacturing sector | 28.4% | 28.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 4.9% | 4.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 11.1% | 11.1% |
| Other | 48.1% | 48.1% |
| City | Population | Household Income | National Avg. |
| Darmstadt, IN | 1,215 | $142,836 | 75.6% |
| Elberfeld, IN | 862 | $125,032 | 53.7% |
| Haubstadt, IN | 1,808 | $94,594 | 16.3% |
| Mackey, IN | 145 | $92,233 | 13.4% |
| Fort Branch, IN | 3,484 | $91,350 | 12.3% |
| Somerville, IN | 362 | $70,895 | 12.8% |
| City | Population | Household Income | National Avg. |
| Rockford Bay, ID | 362 | $150,306 | 84.8% |
| Ransom, IL | 362 | $93,400 | 14.8% |
| Michiana Shores, IN | 362 | $114,130 | 40.3% |
| Henderson, MI | 362 | $104,969 | 29.1% |
| Lake Viking, MO | 362 | $92,315 | 13.5% |
| Somerville, IN | 362 | $70,895 | 12.8% |