Deering was a city in Cumberland County, Maine which was incorporated in 1871 and annexed by the neighboring City of Portland in 1899. Until 1871, Deering was a part of Saccarappa, which also included what is now neighboring Westbrook. In that year, the towns split with little opposition. The 1880 United States Census counted 4,324 residents of the newly formed town. In 1892, Deering was incorporated as a city. In 1899, Deering was annexed by Portland, becoming the northern neighborhoods of the city.