|— CDP —|
|• Total||8.6 sq mi (22.2 km2)|
|• Land||5.3 sq mi (13.7 km2)|
|• Water||3.3 sq mi (8.5 km2)|
|Elevation||1,243 ft (379 m)|
|• Density||262.6/sq mi (101.6/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||0630355|
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 1392 at the 2010 census. The Lewiston post office first opened on April 25, 1892.
According to the United States Census Bureau, the CDP has a total area of 8.6 square miles (22 km2), of which, 5.3 square miles (14 km2) of it is land and 3.3 square miles (8.5 km2) 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 per square mile (72.3/km²). There were 1,230 housing units at an average density of 232.6 per square mile (89.8/km²). The racial makeup of the CDP was 98.59% White, 0.10% African American, 0.20% Native American, 0.61% from other races, and 0.51% from two or more races. Hispanic or Latino of any race were 1.21% of the population.
There were 480 households out of which 15.4% had children under the age of 18 living with them, 57.5% were married couples living together, 5.2% had a female householder with no husband present, and 35.0% were non-families. 31.3% of all households were made up of individuals and 20.2% had someone living alone who was 65 years of age or older. The average household size was 2.06 and the average family size was 2.53.
In the CDP the population was spread out with 15.3% under the age of 18, 4.6% from 18 to 24, 16.6% from 25 to 44, 30.3% from 45 to 64, and 33.2% who were 65 years of age or older. The median age was 55 years. For every 100 females there were 91.1 males. For every 100 females age 18 and over, there were 90.7 males.
The median income for a household in the CDP was $31,429, and the median income for a family was $36,563. Males had a median income of $31,250 versus $18,869 for females. The per capita income for the CDP was $20,393. About 4.3% of families and 6.5% of the population were below the poverty line, including 9.8% of those under age 18 and 5.4% of those age 65 or over.