St. Charles, Missouri Population 2021

71,470
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St. Charles is a city located in St. Charles County Missouri. With a 2020 population of 71,470, it is the 9th largest city in Missouri and the 519th largest city in the United States . St. Charles is currently growing at a rate of 0.31% annually and its population has increased by 8.63% since the most recent census, which recorded a population of 65,794 in 2010. St. Charles reached it's highest population of 71,470 in 2021. Spanning over 25 miles, St. Charles has a population density of 2,880 people per square mile.

The average household income in St. Charles is $88,004 with a poverty rate of 8.14%. The median rental costs in recent years comes to $985 per month, and the median house value is $200,400. The median age in St. Charles is 36.9 years, 37 years for males, and 36.9 years for females.

St. Charles Demographics

According to the most recent ACS, the racial composition of St. Charles was:

  • White: 85.04%
  • Black or African American: 6.71%
  • Two or more races: 3.48%
  • Asian: 3.23%
  • Other race: 1.34%
  • Native American: 0.19%
  • Native Hawaiian or Pacific Islander: 0.02%
The current population of St. Charles, Missouri is 71,470 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 70,807.The last official US Census in 2010 recorded the population at 65,794.

St. Charles, Missouri Population 2021

Population by Race

Race Population Percentage
White59,67285.04%
Black or African American4,7066.71%
Two or More Races2,4393.48%
Asian2,2673.23%
Some Other Race9381.34%
American Indian and Alaska Native1320.19%
Native Hawaiian and Other Pacific Islander170.02%
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St. Charles Population by Race

St. Charles Population Pyramid $2021

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St. Charles Median Age

36.9


Total

37


Male

36.9


Female

St. Charles Adults

There are 57,912 adults, (11,526 of whom are seniors) in St. Charles.

St. Charles Age Dependency

51.3

Age Dependency Ratio

24.8

Old Age Dependency Ratio

26.4

Child Dependency Ratio

St. Charles Sex Ratio

Female

36,914

52.61%

Male

33,257

47.39%

St. Charles Population by Age

St. Charles Renter vs Owner Occupied by Household Type

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St. Charles Household Types

Type Owner Renter
Married83.9%16.1%
All64.7%35.3%
Male49.9%50.1%
Female48.6%51.4%
Non Family47.9%52.1%

64.7%

Rate of Home Ownership

St. Charles Households and Families

Type Count Average Size Owned
All28,3432.2464.7
Married13,1112.9383.9
Non Family11,8691.2447.9
Female2,3953.0448.6
Male9683.0749.9

2.9

Average Family Size

2.24

Average Household Size

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St. Charles Households by Type

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Education Attained Count Percentage
Less Than 9th Grade9031.90%
9th to 12th Grade2,1994.62%
High School Graduate11,75924.69%
Some College10,81922.72%
Associates Degree4,2078.83%
Bachelors Degree10,85322.79%
Graduate Degree6,88614.46%
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St. Charles Educational Attainment by Sex (over 25)

St. Charles Educational Attainment by Race

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Race Total High School Bachelors
White40,31337,94114,656
Black3,0252,8551,163
Hispanic1,6791,362511
Asian1,4601,3451,024
2+ Races1,1141,043372
Other Race47124846
Native American978746

The highest rate of high school graduation is among black people with a rate of 94.38%.

The highest rate of bachelors degrees is among asian people with a rate of 70.14%.

St. Charles Educational Attainment by Race

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Name Average Male Female
Overall$45,252$51,621$38,954
Less Than 9th Grade$21,144$24,594$14,313
High School Graduate$33,533$38,949$29,397
Some College$40,670$46,790$32,203
Bachelors Degree$58,761$71,068$45,900
Graduate Degree$74,952$95,357$65,793

$45,252

Average Earnings

$51,621

Average Male

$38,954

Average Female

St. Charles Earnings by Educational Attainment

St. Charles Language by Age

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St. Charles Language

91.87% of St. Charles residents speak only English, while 8.13% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.61% of the population.

St. Charles Language

St. Charles Poverty by Race

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Name Total In Poverty Poverty Rate
White51,8583,5016.75%
Black4,14061714.90%
Hispanic3,10648415.58%
Multiple2,39739016.27%
Other8239111.06%
Asian2,021904.45%
Native1313526.72%

8.14%

Overall Poverty Rate

5.81%

Male Poverty Rate

10.36%

Female Poverty Rate

Poverty in St. Charles

The race most likely to be in poverty in St. Charles is Native, with 26.72% below the poverty level.

The race least likely to be in poverty in St. Charles is Asian, with 4.45% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.62%. Among those working part-time, it was 14.08%, and for those that did not work, the poverty rate was 13.14%.

St. Charles Poverty

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Name Poverty
Less Than 9th Grade17.64%
High School8.15%
Some College8.10%
Bachelors or Greater2.19%

St. Charles Poverty Rate by Education

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Rate Poverty
Female Unemployed18.64%
Male Unemployed12.71%
Female Employed7.49%
Male Employed3.08%

St. Charles Poverty Rate by Employment Status and Sex

St. Charles Income by Household Type

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Name Median Mean
Households$68,486$88,004
Families$89,203$110,111
Married Families$102,650-
Non Families$43,080$55,345
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Income by Household Type

St. Charles Marital Status

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Marriage Rates

45.9%

Overall Marriage Rate

48.9%

Male Marriage Rate

43.2%

Female Marriage Rate

St. Charles Married by Age and Sex

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St. Charles Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

St. Charles Marital Status by Race

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St. Charles Marital Status

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4,503

Number of Veterans

4,238

Male Veterans

265

Female Veterans

War Veterans
Vietnam1,483
Second Gulf War755
First Gulf War703
Korea498
World War II140

St. Charles Veterans by War

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Age Group Veterans
75+1,221
65 to 741,102
35 to 54999
55 to 64710
18 to 34471

St. Charles Veterans by Age

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Name Veterans % of Total
White4,0688.11%
Black2777.30%
Hispanic1094.24%
2+ Races1007.23%
Asian281.57%
Other Race203.22%
Native American107.63%

St. Charles Veterans by Race

St. Charles Veterans by Education

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2.25%

Veteran Poverty Rate

25.93%

Veteran Disability Rate

St. Charles Veterans by Education

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68%

Labor Force Participation

66.5%

Employment Rate

2.2%

Unemployment Rate

St. Charles Employment by Age

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St. Charles Employment by Race

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St. Charles Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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64.89%

Born in St. Charles

93.55%

Native Born

6.45%

Foreign Born

3.95%

Non Citizen

2.50%

Naturalized

Place of Birth

93.55% of St. Charles residents were born in the United States, with 64.89% having been born in Missouri. 3.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

St. Charles Place of Birth

Year Population Growth Annual Growth Rate
202171,4702210.31%
202071,2492210.31%
201971,0282210.31%
201870,8074170.59%
201770,3909881.42%
201669,4022820.41%
201569,1205520.81%
201468,5684170.61%
201368,1511,1651.74%
201266,9863530.53%
201166,6332370.36%
201066,3966,0750.96%
200060,3215,7661.01%
199054,55517,1763.85%
198037,3795,5451.62%
197031,83410,6454.15%
196021,1896,8754.00%
195014,3143,5112.85%
194010,8033120.29%
193010,4911,9882.12%
19208,503-934-1.04%
19109,4371,4551.69%
19007,9821,8212.62%
18906,1611,1472.08%
18805,014-556-1.05%
18705,5702,3315.57%
18603,2390.00%

St. Charles Population by Year