From Ancestry.com Wiki
Old Town is a town in Penobscot county, Maine. It was formed in 1840. Old Town began keeping vital records in 1820 and town records in 1840*. For more information, contact the county at 150 Brunswick St., Old Town 04468. On the attached map, Old Town is shown as 50 in Penobscot county.
For information about the state of Maine see Maine Family History Research.