| Index | Merrimac | Wisconsin | National |
| Income per capita | $55,513 | $43,754 | $44,883 |
| Median household income | $103,445 | $81,774 | $81,333 |
| Median income owner occupied | $117,229 | $103,160 | $106,172 |
| Median income renter occupied | $89,473 | $47,125 | $52,080 |
| Median earnings male | $59,165 | $54,326 | $54,343 |
| Median earnings female | $44,354 | $38,113 | $38,439 |
| Unemployment rate | 3.9% | 3.9% | 4.9% |
| Poverty level | 14.0% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 14.6% | 14.6% |
| Manufacturing sector | 16.8% | 16.8% |
| Financial & insurance services | 0.5% | 0.5% |
| Wholesale & retail services | 17.3% | 17.3% |
| Public administration | 4.3% | 4.3% |
| Transportation, warehousing & utilities | 1.6% | 1.6% |
| Education, health & social services | 10.3% | 10.3% |
| Other | 33.0% | 33.0% |
| City | Population | Household Income | National Avg. |
| Waunakee, WI | 14,346 | $174,074 | 114.0% |
| Windsor, WI | 7,603 | $148,817 | 83.0% |
| Dane, WI | 1,036 | $141,848 | 74.4% |
| Lake Wisconsin, WI | 4,736 | $137,193 | 68.7% |
| Arlington, WI | 816 | $136,417 | 67.7% |
| Merrimac, WI | 688 | $103,445 | 27.2% |
| City | Population | Household Income | National Avg. |
| Grimes, AL | 688 | $57,506 | 29.3% |
| Geyserville, CA | 688 | $134,228 | 65.0% |
| Bedford Park, IL | 688 | $148,084 | 82.1% |
| Bradford, IL | 688 | $80,096 | 1.5% |
| Grafton, IL | 688 | $84,528 | 3.9% |
| Merrimac, WI | 688 | $103,445 | 27.2% |