According to the 2010 US census,[REF] there were 1,330 people, 466 households, and 364 families residing in Walnut Grove.
Out of the 466 households, 48.9% had children under the age of 18 living with them, 58.4% were married couples living together, 13.7% had a female householder with no husband present, and 21.9% were non-families.