In 1800, Oxford County had not been formed, and Hartford was part of Cumberland County.
The 1800 census record referred to “Thompson town, so called[,] between Sumner & Jay”.
|Head of Family||Males||Females||all other free persons|
|Under 10||10–16||16–26||26–45||45 and over||Under 10||10–16||16–26||26–45||45 and over|
|males = 13||females = 15||all other free persons = 0|
|families = 7||total persons = 28|