2020 census As of the
2020 census, Menomonee Falls had a population of 38,527. The median age was 43.2 years. 21.7% of residents were under the age of 18 and 20.7% of residents were 65 years of age or older. For every 100 females there were 93.5 males, and for every 100 females age 18 and over there were 90.5 males age 18 and over. 93.3% of residents lived in urban areas, while 6.7% lived in rural areas. There were 16,271 households in Menomonee Falls, of which 27.3% had children under the age of 18 living in them. Of all households, 54.9% were married-couple households, 15.1% were households with a male householder and no spouse or partner present, and 24.9% were households with a female householder and no spouse or partner present. About 30.2% of all households were made up of individuals and 15.9% had someone living alone who was 65 years of age or older. of 2010, 35,626 people, 14,567 households, and 10,028 families resided in the village. The
population density was . The 15,142 housing units had an average density of . The
racial makeup of the village was 91.6% White, 3.0% African American, 0.2% Native American, 3.5% Asian, 0.4% from other races, and 1.3% from two or more races. Hispanics or Latinos of any race were 2.0% of the population. Of the 14,567 households, 30.5% had children under 18 living with them, 59.1% were married couples living together, 6.9% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 31.2% were not families. About 26.8% of all households were made up of individuals, and 14.9% had someone living alone who was 65 or older. The average household size was 2.43 and the average family size was 2.97. The median age in the village was 43.3 years; the age distribution was 23.0% under 18, 6% from 18 and 24, 23.5% from 25 to 44, 29.6% from 45 to 64, and 17.8% 65 or older. The gender makeup of the village was 48.2% male and 51.8% female. ==Economy==