There were 4,188 households in Portales in 2000, out of which 33.6% had children under the age of 18 living with them, 45.3% were married couples living together, 14.2% had a female householder with no husband present, and 36.5% were non-families.
Из 4188 домашних хозяйств в 33,6 % — воспитывали детей в возрасте до 18 лет, 45,3 % представляли собой совместно проживающие супружеские пары, в 14,2 % семей женщины проживали без мужей, 36,5 % не имели семей.