2020 census As of the
2020 census, Grandview had a population of 1,879, a median age of 33.9 years, 29.3% of residents under the age of 18, and 14.4% of residents who were 65 years of age or older. For every 100 females there were 93.1 males, and for every 100 females age 18 and over there were 81.3 males age 18 and over. There were 651 households in Grandview, of which 48.4% had children under the age of 18 living in them. Of all households, 49.0% were married-couple households, 13.4% were households with a male householder and no spouse or partner present, and 30.7% were households with a female householder and no spouse or partner present. About 24.9% of all households were made up of individuals and 12.7% had someone living alone who was 65 years of age or older. ==Education==