| Index | Mercer | Missouri | National |
| Income per capita | $43,038 | $39,715 | $44,883 |
| Median household income | $43,732 | $72,613 | $81,333 |
| Median income owner occupied | $76,854 | $90,986 | $106,172 |
| Median income renter occupied | $32,317 | $45,210 | $52,080 |
| Median earnings male | $36,446 | $52,324 | $54,343 |
| Median earnings female | $35,409 | $36,971 | $38,439 |
| Unemployment rate | 3.3% | 4.4% | 4.9% |
| Poverty level | 12.4% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 5.0% | 5.0% |
| Manufacturing sector | 19.8% | 19.8% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 18.8% | 18.8% |
| Public administration | 1.0% | 1.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 6.9% | 6.9% |
| Other | 43.6% | 43.6% |
| City | Population | Household Income | National Avg. |
| Pleasanton, IA | 52 | $152,196 | 87.1% |
| Ravanna, MO | 108 | $98,515 | 21.1% |
| Mount Moriah, MO | 91 | $88,973 | 9.4% |
| Clio, IA | 58 | $84,267 | 3.6% |
| Lineville, IA | 269 | $76,758 | 5.6% |
| Mercer, MO | 329 | $43,732 | 46.2% |
| City | Population | Household Income | National Avg. |
| Twin Groves, AR | 329 | $42,974 | 47.2% |
| Manalapan, FL | 329 | $294,938 | 262.6% |
| Barnum, IA | 329 | $106,171 | 30.5% |
| Greeley, IA | 329 | $104,680 | 28.7% |
| Marble Rock, IA | 329 | $89,625 | 10.2% |
| Mercer, MO | 329 | $43,732 | 46.2% |