All members of a household weren't listed on the Censuses until 1850.
The only way to reliably identify descendants that early in time is to find the person's probate records.
Asa Poland, b. 1763, Waterbury, Washington, VT and d. 1851, Franklin Co., NY
Married: 1763, Ipswich, MA, Abigail Nale, b. 1763, Essex Co. MA and d. 1844, Washington Co. VT
Source: Kelly Josko Family Tree, Ancestry
This tree lists their children but you'll need to verify the information. Successful Searching!