 6.4% of the population were Hispanic or Latino of any race.The largest self-reported ancestry groups in Coffee County were English (59.9%), German (4.4%), Irish (3.3%), "American" (3.1%), (1.8%), Scottish (1.2%) and Portuguese (1.0%).There were 19,849 households, out of which 30.1% had children under the age of 18 living with them, 52.6% were married couples living together, 12.9% had a female householder with no husband present, and 30.3% were non-families.