Racial and ethnic composition 2020 census As of the
2020 census, there were 4,229 people, 1,421 households, and 1,242 families residing in the city. The median age was 42.6 years, 28.4% of residents were under the age of 18, and 15.4% were 65 years of age or older. For every 100 females there were 96.7 males, and for every 100 females age 18 and over there were 93.9 males age 18 and over. 100.0% of residents lived in urban areas, while 0.0% lived in rural areas. There were 1,421 households in Spring Valley Village, of which 46.1% had children under the age of 18 living in them. Of all households, 76.8% were married-couple households, 7.7% were households with a male householder and no spouse or partner present, and 13.9% were households with a female householder and no spouse or partner present. About 13.0% of all households were made up of individuals and 7.6% had someone living alone who was 65 years of age or older. there were 3,715 people, 1,368 households, and 1,099 families residing in the city. The racial makeup of the city by population was 3,445
White, 218
Asian, 36
African American, 16
Native American, 1
Pacific Islander, 43 from
other races, and 11 from two or more races, and 286
Hispanic or
Latino of any race. There were 1,368 households, out of which 476 had children under the age of 18 living with them, 964 were
married couples living together, 100 had a female householder with no husband present, and 269 were non-families. 243 households were made up of individuals, and 126 had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.09. In the city, the population was spread out, with 2,671 over the age of 18 and 469 who were 65 years of age or older. The median age was 43.4 years. ==Government and infrastructure==