2020 census As of the
2020 census, St. Charles had a population of 70,493. The population density was 2,800.7 per square mile (1,081.3/km). There were 29,863 households and 16,791 families in St. Charles, of which 24.4% had children under the age of 18 living in them. Of all households, 44.1% were married-couple households, 20.3% were households with a male householder and no spouse or partner present, and 28.0% were households with a female householder and no spouse or partner present. About 32.9% of all households were made up of individuals and 12.1% had someone living alone who was 65 years of age or older. The average household size was 2.2 and the average family size was 2.9. estimates show that the median household income was $71,232 (with a margin of error of +/- $3,225) and the median family income was $90,211 (+/- $3,208). Males had a median income of $46,607 (+/- $2,598) versus $28,573 (+/- $5,404) for females. The median income for those above 16 years old was $37,734 (+/- $3,118). Approximately, 5.0% of families and 7.6% of the population were below the
poverty line, including 9.6% of those under the age of 18 and 4.6% of those ages 65 or over.
2010 census As of the
census of 2010, there were 65,794 people, 26,715 households, and 16,128 families residing in the city. The
population density was . There were 28,590 housing units at an average density of . The racial makeup of the city was 87.5%
White, 5.9%
African American, 0.3%
Native American, 2.5%
Asian, 0.1%
Pacific Islander, 1.8% from
other races, and 1.9% from two or more races.
Hispanic or
Latino of any race were 4.2% of the population. There were 26,715 households, of which 27.5% had children under the age of 18 living with them, 45.4% were married couples living together, 10.8% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 39.6% were non-families. 31.9% of all households were made up of individuals, and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.90. The median age in the city was 36.6 years. 19.7% of residents were under the age of 18; 13.8% were between the ages of 18 and 24; 25.9% were from 25 to 44; 26.6% were from 45 to 64; and 13.9% were 65 years of age or older. The gender makeup of the city was 49.0% male and 51.0% female. According to 2014, American Community Survey 5-year Estimates the median income for a household in the city was $56,622, and the median income for a family was $73,234. Males had a median income of $51,477 versus $40,311 females. The
per capita income for the city was $29,645. 8.8% of families and 11.5% of the population were below the
poverty line, including 18.7% of those under age 18 and 6.0% of those age 65 or over.
2000 census As of the census of 2000, there were 60,321 people, 24,210 households, and 15,324 families residing in the city. The population density was . There were 25,283 housing units at an average density of . The racial makeup of the city was 93.28%
White, 3.48%
African American, 0.27%
Native American, 1.01%
Asian, 0.04%
Pacific Islander, 0.73% from
other races, and 1.19% from two or more races.
Hispanic or
Latino of any race were 1.97% of the population. There were 24,210 households, out of which 30.1% had children under the age of 18 living with them, 49.4% were married couples living together, 10.2% had a female householder with no husband present, and 36.7% were non-families. 29.6% of all households were made up of individuals, and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.98. In the city, the population was spread out, with 23.4% under the age of 18, 12.0% from 18 to 24, 30.5% from 25 to 44, 22.0% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 96.3 males. For every 100 females age 18 and over, there were 93.7 males. The median income for a household in the city was $47,782, and the median income for a family was $60,175. Males had a median income of $40,827 versus $27,778 for females. The
per capita income for the city was $23,607. About 4.6% of families and 6.3% of the population were below the
poverty line, including 8.1% of those under age 18 and 5.9% of those age 65 or over. ==Economy==