According to realtor website
Zillow, the average price of a home as of November 30, 2025, in Stewartville is $323,391. As of the 2023
American Community Survey, there are 2,608 estimated households in Stewartville with an average of 2.56 persons per household. The city has a median household income of $65,714. Approximately 3.4% of the city's population lives at or below the
poverty line. Stewartville has an estimated 71.4% employment rate, with 31.7% of the population holding a bachelor's degree or higher and 95.6% holding a high school diploma. There were 2,716 housing units at an average density of . The median age in the city was 36.8 years.
Racial and ethnic composition 2020 census As of the
2020 census, there were 6,687 people, 2,593 households, and 1,769 families residing in the city. The
population density was . The median age was 35.9 years. 27.8% of residents were under the age of 18 and 14.6% were 65 years of age or older. For every 100 females there were 91.8 males, and for every 100 females age 18 and over there were 88.9 males. Of households in the city, 36.8% had children under the age of 18 living in them. Of all households, 50.2% were married-couple households, 14.5% were households with a male householder and no spouse or partner present, and 25.6% were households with a female householder and no spouse or partner present. About 25.3% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older. There were 2,696 housing units, of which 3.8% were vacant. The homeowner vacancy rate was 0.9% and the rental vacancy rate was 6.5%. Housing unit density was .
2010 census As of the
2010 census, there were 5,916 people, 2,318 households, and 1,596 families residing in the city. The population density was . There were 2,425 housing units at an average density of . The racial makeup of the city was 97.55%
White, 0.54%
African American, 0.20%
Native American, 0.46%
Asian, 0.00%
Pacific Islander, 0.39% from some other races and 0.86% from two or more races.
Hispanic or Latino residents of any race were 1.49% of the population. There were 2,318 households, of which 38.1% had children under the age of 18 living with them, 53.3% were
married couples living together, 11.4% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 31.1% were non-families. 25.8% of all households were made up of individuals, and 11.3% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.02. The median age in the city was 34.6 years. 28.2% of residents were under the age of 18; 7.6% were between the ages of 18 and 24; 27.8% were from 25 to 44; 22.5% were from 45 to 64; and 14% were 65 years of age or older. The gender makeup of the city was 47.5% male and 52.5% female.
2000 census As of the
2000 census, there were 5,411 people, 2,013 households, and 1,417 families residing in the city. The population density was . There were 2,074 housing units at an average density of . The racial makeup of the city was 97.10%
White, 0.70%
African American, 0.30%
Native American, 0.52%
Asian, 0.02%
Pacific Islander, 0.33% from some other races and 1.03% from two or more races.
Hispanic or Latino residents of any race were 1.00% of the population. There were 2,013 households, out of which 41.8% had children under the age of 18 living with them, 55.9% were married couples living together, 10.7% had a female householder with no husband present, and 29.6% were non-families. 23.8% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.13. In the city, 30.2% of the population was under the age of 18, 8.2% was from 18 to 24, 30.6% from 25 to 44, 19.2% from 45 to 64, and 11.8% was 65 years of age or older. The median age was 33 years. For every 100 females, there were 89.5 males. For every 100 females age 18 and over, there were 85.2 males. The median income for a household in the city was $44,135, and the median income for a family was $52,037. Males had a median income of $34,162 versus $24,838 for females. The
per capita income for the city was $18,780. About 2.9% of families and 5.4% of the population were below the
poverty line, including 4.2% of those under age 18 and 14.8% of those age 65 or over. ==Education==