Complex sentence: There were 489 households out of which 31.1% of which had children under the age of 18 living in them, 59.5% were married couples living together, 6.1% had a female householder with no husband present, and 30.1% were non-families.
Split into simpler sentences: There were 489 households, 31.1% of which had children under the age of 18 living in them. In addition, 59.5% were married couples living together, 6.1% had a female householder with no husband present, and 30.1% were non-families.