Thomas Powell - 1 male age 26-44 - 1 female age 26-44 - 4 males under 10 - 2 males 10-15 - 1 male 16-25 - 3 females 10-15
Assuming this is the correct family, the birth years of the children have been estimated to approximately fit this profile. Note the 5 children aged 10-15 (born 1785-1790) - one birth date has been estimated outside this range, to fit the 1810 census.
Thomas Powell - 1 male over the age of 45 - 1 female over the age of 45 - 2 males under 10 - 3 males 10-15 - 2 males 16-15 - 2 females 16-25 - 1 female 26-44
Assuming this is the correct family (and that the two eldest males have left home), the birth years of the children have been estimated to fit this profile.