Merrimac, Wisconsin

Merrimac is a village in Sauk County, Wisconsin, United States, northwest of Madison. The population was 527 at the 2020 census. The village is located within the Town of Merrimac.

It is the location of the Merrimac Ferry, a free ferry across the Wisconsin River operated by the state.

A post office called Merrimac was established in 1855. The village was named after the Merrimack River, in New England.

Merrimac is located at 43°22′26″N 89°37′43″W / 43.37389°N 89.62861°W / 43.37389; -89.62861 (43.37391, -89.628857).

According to the United States Census Bureau, the village has a total area of 1.51 square miles (3.91 km²), of which 0.85 square miles (2.20 km²) is land and 0.66 square miles (1.71 km²) is water.

As of the census of 2010, there were 420 people, 185 households, and 123 families living in the village. The population density was 494.1 inhabitants per square mile (190.8/km²). There were 257 housing units at an average density of 302.4 per square mile (116.8/km²). The racial makeup of the village was 97.9% White, 0.2% African American, 0.7% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 3.1% of the population.

There were 185 households, of which 25.4% had children under the age of 18 living with them, 54.1% were married couples living together, 9.7% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 33.5% were non-families. 23.8% of all households were made up of individuals, and 10.2% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.65.

The median age in the village was 48 years. 19% of residents were under the age of 18; 3.6% were between the ages of 18 and 24; 21.9% were from 25 to 44; 36.5% were from 45 to 64; and 19% were 65 years of age or older. The gender makeup of the village was 48.3% male and 51.7% female.