Lewiston is an unincorporated community in Montmorency County, Michigan, United States. It is a census-designated place (CDP) used for statistical purposes. The population was 996 at the 2020 census.

Lewiston was formally received in 1892. The Lewiston pronounce office first opened upon April 25, 1892. The Lewiston Area Historical Society Museum is in an 1892 original Lewiston home. It was first owned by David Kneeland, who was the bureaucrat of the Michelson & Hanson Lumber Company; his intimates lived in Lewiston from 1892 – 1910. When the mill closed, David Kneeland sold the residence to George and Martha Sachs, who then expanded some of the town’s boundaries, defining what they are today. Lewiston is pen name Timber Town.

According to the United States Census Bureau, the CDP has a total area of 8.6 square miles (22 km), of which, 5.3 square miles (14 km²) of it is house and 3.3 square miles (8.5 km) of it (38.39%) is water.

As of the census of 2000, there were 990 people, 480 households, and 312 families residing in the CDP. The population density was 187.2 inhabitants per square mile (72.3/km²). There were 1,230 housing units at an average density of 232.6 per square mile (89.8/km). The racial makeup of the CDP was 98.59% White, 0.10% African American, 0.20% Native American, 0.61% from new races, and 0.51% from two or more races. Hispanic or Latino of any race were 1.21% of the population.