Merrimac is a village located in Sauk County, Wisconsin. Merrimac has a 2026 population of 529. Merrimac is currently growing at a rate of 0.38% annually and its population has increased by 1.73% since the most recent census, which recorded a population of 520 in 2020.
The median household income in Merrimac is $92,417 with a poverty rate of 6.7%. The median age in Merrimac is 39.3 years: 38.3 years for males, and 42.3 years for females. For every 100 females there are 131.7 males.
Data after 2023 is projected based on recent change
Overall: 39.3 years
Female: 42.3 years
Male: 38.3 years
There are 433 adults, (94 of whom are seniors) in Merrimac.
Female: 246 (43.2%)
Male: 324 (56.8%)
The racial composition of Merrimac includes 83.68% White, 6.32% Black or African American, and smaller percentages for other race, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 477 | 83.68% |
| Two or more races | 40 | 7.02% |
| Black or African American | 36 | 6.32% |
| Other race | 14 | 2.46% |
| Asian | 3 | 0.53% |
Merrimac 's average per capita income is $61,696. Household income levels show a median of $92,417. The poverty rate stands at 6.7%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $124,375 | - |
| Families | $123,750 | $133,828 |
| Households | $92,417 | $119,089 |
| Non Families | $64,063 | $81,744 |
Average Income
Median Household Income
Poverty Rate