Readfield is a town in Kennebec County, Maine, United States. The population was 2,597 at the 2020 census. Readfield is home to the Kents Hill School, a preparatory school, Maranacook Community Schools, public schools for the district, a few summer camps, and the annual Readfield Heritage Days. A popular recreation spot in central Maine, the town contains nine lakes and ponds, including Maranacook Lake, and is part of the Winthrop Lakes Region. The town of Readfield was previously named Pond Town. Readfield is included in the Augusta, Maine micropolitan and included in the Lewiston-Auburn, Maine metropolitan New England City and Town Area.