Merrillan, Wisconsin  Merrillan is a village in Jackson County, Wisconsin, United States. The population was 542 at the 2010 census. A post office called Merrillan has been in operation since 1894. The village was named for L. G. Merrill, an original owner of the town site. Merrillan is located at (44.449528, -90.837386). According to the United States Census Bureau, the village has a total area of , of which, of it is land and is water. As of the census of 2010, there were 542 people, 241 households, and 152 families residing in the village. The population density was . There were 318 housing units at an average density of . The racial makeup of the village was 86.5% White, 2.6% Native American, 0.2% Asian, 0.4% Pacific Islander, 6.1% from other races, and 4.2% from two or more races. Hispanic or Latino of any race were 6.8% of the population. There were 241 households of which 27.4% had children under the age of 18 living with them, 39.4% were married couples living together, 14.1% had a female householder with no husband present, 9.5% had a male householder with no wife present, and 36.9% were non-families. 31.1% of all households were made up of individuals and 15.7% had someone living alone who was 65 years of age or older. The average household size was 2.25 and the average family size was 2.70. The median age in the village was 44.9 years. 21.4% of residents were under the age of 18; 8.7% were between the ages of 18 and 24; 20.2% were from 25 to 44; 29.6% were from 45 to 64; and 20.3% were 65 years of age or older. The gender makeup of the village was 48.2% male and 51.8% female. As of the census of 2000, there were 585 people, 253 households, and 152 families residing in the village. The population density was 464.2 people per square mile (179.3/km²). There were 289 housing units at an average density of 229.3 per square mile (88.6/km²). The racial makeup of the village was 95.21% White, 0.68% African American, 2.74% Native American, 0.17% Asian, 0.68% from other races, and 0.51% from two or more races.