2020 census As of the
2020 census, Lewisville had a population of 1,860. The median age was 47.4 years. 23.0% of residents were under the age of 18 and 23.5% of residents were 65 years of age or older. For every 100 females there were 94.4 males, and for every 100 females age 18 and over there were 94.7 males age 18 and over. 8.3% of residents lived in urban areas, while 91.7% lived in rural areas. There were 620 households in Lewisville, of which 30.8% had children under the age of 18 living in them. Of all households, 75.3% were married-couple households, 9.4% were households with a male householder and no spouse or partner present, and 10.6% were households with a female householder and no spouse or partner present. About 8.6% of all households were made up of individuals and 3.4% had someone living alone who was 65 years of age or older. There were 652 housing units, of which 4.9% were vacant. The homeowner vacancy rate was 2.0% and the rental vacancy rate was 5.3%.
2000 census As of the census of 2000, there were 1,688 people, 552 households, and 476 families residing in the CDP. The population density was 276.9 people per square mile (106.8/km2). There were 563 housing units at an average density of 92.4/sq mi (35.6/km2). The racial makeup of the CDP was 95.97%
White, 0.24%
African American, 0.53%
Native American, 0.41%
Asian, 0.36%
Pacific Islander, 1.54% from
other races, and 0.95% from two or more races.
Hispanic or
Latino of any race were 1.78% of the population. 19.5% were of German, 13.9% English, 8.2% Norwegian, 7.5% Irish, 7.5% American, 6.8% Swedish and 5.9% Finnish ancestry according to
Census 2000. There were 552 households, out of which 39.9% had children under the age of 18 living with them, 79.2% were married couples living together, 4.9% had a female householder with no husband present, and 13.6% were non-families. 10.0% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older. The average household size was 3.06 and the average family size was 3.27. In the CDP, the age distribution of the population shows 29.6% under the age of 18, 7.0% from 18 to 24, 25.1% from 25 to 44, 29.6% from 45 to 64, and 8.7% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 102.2 males. For every 100 females age 18 and over, there were 98.8 males. The median income for a household in the CDP was $65,221, and the median income for a family was $62,031. Males had a median income of $48,816 versus $38,068 for females. The
per capita income for the CDP was $23,175. About 2.0% of families and 1.1% of the population were below the
poverty line, including none of those under age 18 and 9.1% of those age 65 or over. ==Education==