2020 census As of the
2020 census, Lewiston had a population of 1,222 and a population density of . The median age was 53.4 years. 17.5% of residents were under the age of 18 and 28.2% of residents were 65 years of age or older. For every 100 females there were 106.8 males, and for every 100 females age 18 and over there were 99.6 males age 18 and over. The age distribution was 214 people (17.5%) under the age of 18, 56 people (4.6%) aged 18 to 24, 238 people (19.5%) aged 25 to 44, 370 people (30.3%) aged 45 to 64, and 344 people (28.2%) who were 65 years of age or older. The Census reported that 1,222 people (100% of the population) lived in households. There were 532 households, of which 19.9% had children under the age of 18 living in them. Of all households, 44.5% were married-couple households, 9.2% were
cohabiting couple households, 25.6% were households with a male householder and no spouse or partner present, and 20.7% were households with a female householder and no spouse or partner present. About 30.6% of all households were made up of individuals and 15.4% had someone living alone who was 65 years of age or older. The average household size was 2.3, and there were 317 families (59.6% of all households). There were 643 housing units, of which 17.3% were vacant. There were 532 occupied housing units, of which 388 (72.9%) were owner-occupied and 144 (27.1%) were occupied by renters. The homeowner vacancy rate was 2.3% and the rental vacancy rate was 2.0%.
2010 census The
2010 United States census reported that Lewiston had a population of 1,193. The population density was . The racial makeup of Lewiston was 1,074 (90.0%)
White, 8 (0.7%)
African American, 37 (3.1%)
Native American, 6 (0.5%)
Asian, 5 (0.4%)
Pacific Islander, 21 (1.8%) from
other races, and 42 (3.5%) from two or more races.
Hispanic or
Latino of any race were 78 persons (6.5%). The Census reported that 1,193 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized. There were 553 households, out of which 112 (20.3%) had children under the age of 18 living in them, 267 (48.3%) were
opposite-sex married couples living together, 45 (8.1%) had a female householder with no husband present, 20 (3.6%) had a male householder with no wife present. There were 44 (8.0%)
unmarried opposite-sex partnerships, and 3 (0.5%)
same-sex married couples or partnerships. 177 households (32.0%) were made up of individuals, and 63 (11.4%) had someone living alone who was 65 years of age or older. The average household size was 2.16. There were 332
families (60.0% of all households); the average family size was 2.70. The population was spread out, with 202 people (16.9%) under the age of 18, 63 people (5.3%) aged 18 to 24, 212 people (17.8%) aged 25 to 44, 459 people (38.5%) aged 45 to 64, and 257 people (21.5%) who were 65 years of age or older. The median age was 51.4 years. For every 100 females, there were 102.2 males. For every 100 females age 18 and over, there were 100.6 males. There were 696 housing units at an average density of , of which 404 (73.1%) were owner-occupied, and 149 (26.9%) were occupied by renters. The homeowner vacancy rate was 3.5%; the rental vacancy rate was 10.2%. 838 people (70.2% of the population) lived in owner-occupied housing units and 355 people (29.8%) lived in rental housing units. ==Government==