St. Charles, MO Population

Overview

70,218

Total Population

37.7

Median age

51.71%

Female population %

93.4:100

Gender ratio (M:F)

20-24 years

Largest age group

47.3

Total dependency ratio

White

Largest racial group

3,889

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

St. Charles's population is young compared to the rest of the country:

The median age in St. Charles is 37.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
St. Charles's population under 18 was 17.32%, compared to the 22.51% nationwide.
St. Charles's elderly or the senior population (over 65 age) was 17.33% as compared to 16.04% nationwide.
Of the total population in St. Charles, 14.77% were under the age of 15, 23.91% aged 15 to 29, 43.99% aged 30 to 64, 15.12% aged 65 to 84, and 2.21% were 85 years of age and older.

There are 2,396 more females than males in St. Charles:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.71% females and 48.29% males in St. Charles, MO.
The St. Charles, MO gender ratio is 93.4:100 i.e. 93.4 men to 100 women (0.934).
For male population, the largest age group is 20-24 years with a population of 3,268.
For the female population, the largest age group is 20-24 years with a population of 3,691.

St. Charles's population has become increasingly diverse:

Racial distribution of St. Charles population: 83.93% are White, 6.58% are Black or African American, 0.18% are American Indian and Alaska Native, 3.31% are Asian, 0% are Native Hawaiian and other Pacific Islander, 1.71% are some other race and 4.29% are multiracial.
St. Charles's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 3,889 is Hispanic or Latino (of any race), and 66,329 (94.46% of the total population) is Non-Hispanic.
The largest racial group in St. Charles is White with a population of 58,937 (83.93% of the total population).

St. Charles's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 71,184 in the year 2022
From 2000 to 2010, St. Charles's population increased by 6,391 (10.65%), as compared to the national growth of 9.63%.
From 2010 to 2020, St. Charles's population increased by 4,351 (6.55%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, St. Charles's population was lowest in year 2000 at 59,996.