St. Charles County, Missouri's estimated population is 407,056 with a growth rate of 0.98% in the past year according to the most recent United States census data. St. Charles County, Missouri is the 3rd largest county in Missouri.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2020 | 407,056 | 3,937 | 0.98% |
| 2019 | 403,119 | 3,937 | 0.99% |
| 2018 | 399,182 | 3,937 | 1.00% |
| 2017 | 395,245 | 4,646 | 1.19% |
| 2016 | 390,599 | 5,560 | 1.44% |
| 2015 | 385,039 | 5,181 | 1.36% |
| 2014 | 379,858 | 5,570 | 1.49% |
| 2013 | 374,288 | 5,190 | 1.41% |
| 2012 | 369,098 | 3,554 | 0.97% |
| 2011 | 365,544 | 3,746 | 1.04% |
| 2010 | 361,798 | 148,891 | 69.93% |
| 1990 | 212,907 | 68,800 | 47.74% |
| 1980 | 144,107 | 51,153 | 55.03% |
| 1970 | 92,954 | 39,984 | 75.48% |
| 1960 | 52,970 | 23,136 | 77.55% |
| 1950 | 29,834 | 4,272 | 16.71% |
| 1940 | 25,562 | 1,208 | 4.96% |
| 1930 | 24,354 | 1,526 | 6.68% |
| 1920 | 22,828 | -1,867 | -7.56% |
| 1910 | 24,695 | 221 | 0.90% |
| 1900 | 24,474 | 1,497 | 6.52% |
| 1890 | 22,977 | -88 | -0.38% |
| 1880 | 23,065 | 1,761 | 8.27% |
| 1870 | 21,304 | 4,781 | 28.94% |
| 1860 | 16,523 | 5,069 | 44.26% |
| 1850 | 11,454 | 3,543 | 44.79% |
| 1840 | 7,911 | 3,591 | 83.13% |
| 1830 | 4,320 | 350 | 8.82% |
| 1820 | 3,970 | 465 | 13.27% |
| 1810 | 3,505 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 350,757 | 89.94% |
| Black or African American | 17,172 | 4.40% |
| Asian | 9,681 | 2.48% |
| Two or More Races | 9,607 | 2.46% |
| Some Other Race | 2,063 | 0.53% |
| American Indian and Alaska Native | 657 | 0.17% |
| Native Hawaiian and Other Pacific Islander | 48 | 0.01% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 144,643 | 2.64 | 80.4 |
| Married | 84,657 | 3.19 | 90.5 |
| Non Family | 40,361 | 1.23 | 64.5 |
| Female | 13,672 | 3.21 | 66.7 |
| Male | 5,953 | 3.17 | 74.8 |
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 3,623 | 1.37% |
| 9th to 12th Grade | 10,251 | 3.89% |
| High School Graduate | 66,271 | 25.15% |
| Some College | 59,287 | 22.50% |
| Associates Degree | 24,415 | 9.26% |
| Bachelors Degree | 63,537 | 24.11% |
| Graduate Degree | 36,148 | 13.72% |
The highest rate of high school graduation is among white people with a rate of 95.15%.
The highest rate of bachelors degrees is among asian people with a rate of 66.03%.
$48,325
Average Earnings
$58,345
Average Male
$39,240
Average Female
94.13% of St. Charles County, Missouri residents speak only English, while 5.87% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.38% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 334,218 | 16,262 | 4.87% |
| Black | 16,526 | 2,140 | 12.95% |
| Hispanic | 12,083 | 1,429 | 11.83% |
| Multiple | 9,527 | 1,224 | 12.85% |
| Other | 1,942 | 347 | 17.87% |
| Asian | 9,420 | 324 | 3.44% |
| Native | 655 | 29 | 4.43% |
5.62%
Overall Poverty Rate
4.79%
Male Poverty Rate
6.43%
Female Poverty Rate
The race most likely to be in poverty in St. Charles County, Missouri is Other, with 17.87% below the poverty level.
The race least likely to be in poverty in St. Charles County, Missouri is Asian, with 3.44% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.10%. Among those working part-time, it was 7.70%, and for those that did not work, the poverty rate was 10.18%.
55.9%
Overall Marriage Rate
57.6%
Male Marriage Rate
54.3%
Female Marriage Rate
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 22,789 | 8.43% |
| Black | 1,218 | 9.72% |
| Hispanic | 498 | 6.24% |
| 2 or More | 339 | 6.71% |
| Other | 124 | 9.26% |
| Asian | 109 | 1.52% |
| Indian | 58 | 10.16% |
2.32%
Veteran Poverty Rate
24.91%
Veteran Disability Rate
70.2%
Labor Force Participation
67.8%
Employment Rate
3.3%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
95.98%
Native Born
4.02%
Foreign Born
2.09%
Non Citizen
95.98% of St. Charles County, Missouri residents were born in the United States, with 68.84% having been born in Missouri. 2.09% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.