 In 2005, the Greater Houston area had a population of more than 5.7 million, as the area was growing at a faster rate than the state or the nation.In 2000, there were 717,945 households in the city, of which 33.1% had children under the age of 18 living with them, 43.2% were married couples living together, 15.3% had a female householder with no husband present, and 36.3% were non-families.Twenty-nine percent of all households were one person and 6.2% were one person aged 65 or older.