St. Charles County, Missouri's estimated 2023 population is 418,696 with a growth rate of 1.08% in the past year according to the most recent United States census data. St. Charles County, Missouri is the 3rd largest county in Missouri. The 2010 population was 360,485 and has seen a growth of 16.15% since that time.
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
3.1
Average Family Size
2.62
Average Household Size
81.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 81.53%.
The highest rate of bachelors degrees is among asian people with a rate of 53.96%.
All
Male
Female
$51,448
Average Earnings
$61,971
Average Male
$41,349
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
94.5% of St. Charles County, Missouri residents speak only English, while 5.5% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.29% of the population.
rate
5.8%
Overall Poverty Rate
4.03%
Male Poverty Rate
5.54%
Female Poverty Rate
The race most likely to be in poverty in St. Charles County, Missouri is Islander, with 112.73% below the poverty level.
The race least likely to be in poverty in St. Charles County, Missouri is White, with 4.75% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.92%. Among those working part-time, it was 7.05%, and for those that did not work, the poverty rate was 8.84%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
56.5%
Overall Marriage Rate
58.1%
Male Marriage Rate
54.9%
Female Marriage Rate
male
female
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
23,046
Number of Veterans
21,618
Male Veterans
1,428
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
2.76%
Veteran Poverty Rate
25%
Veteran Disability Rate
LaborForceParticipation
69.6%
Labor Force Participation
67.5%
Employment Rate
3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
67.72%
Born in St. Charles County, Missouri
94.45%
Native Born
3.88%
Foreign Born
1.81%
Non Citizen
2.06%
Naturalized
94.45% of St. Charles County, Missouri residents were born in the United States, with 67.72% having been born in Missouri. 1.81% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.