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St. Charles County, Missouri's estimated population is 408,506 with a growth rate of 0.80% in the past year according to the most recent United States census data. St. Charles County, Missouri is the null largest county in Missouri. The 2010 Population was 361,803 and has seen a growth of 12.91% since this time.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 408,506 | 3,242 | 0.80% |
| 2020 | 405,264 | 3,242 | 0.81% |
| 2019 | 402,022 | 3,242 | 0.81% |
| 2018 | 398,780 | 3,650 | 0.92% |
| 2017 | 395,130 | 4,589 | 1.18% |
| 2016 | 390,541 | 5,563 | 1.45% |
| 2015 | 384,978 | 5,134 | 1.35% |
| 2014 | 379,844 | 5,556 | 1.48% |
| 2013 | 374,288 | 5,177 | 1.40% |
| 2012 | 369,111 | 3,529 | 0.97% |
| 2011 | 365,582 | 3,779 | 1.04% |
| 2010 | 361,803 | 148,896 | 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 | 353,297 | 89.60% |
| Black or African American | 17,468 | 4.43% |
| Asian | 10,183 | 2.58% |
| Two or More Races | 10,147 | 2.57% |
| Some Other Race | 2,416 | 0.61% |
| American Indian and Alaska Native | 641 | 0.16% |
| Native Hawaiian and Other Pacific Islander | 138 | 0.03% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 146,631 | 2.64 | 80.6 |
| Married | 86,146 | 3.18 | 91 |
| Non Family | 41,499 | 1.24 | 64.3 |
| Mujer | 13,425 | 3.22 | 66.6 |
| Masculino | 5,561 | 3.19 | 75.6 |
3.13
Average Family Size
2.64
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 3,618 | 1.35% |
| 9th to 12th Grade | 10,335 | 3.86% |
| High School Graduate | 65,883 | 24.60% |
| Some College | 59,216 | 22.11% |
| Associates Degree | 24,672 | 9.21% |
| Bachelors Degree | 66,222 | 24.73% |
| Graduate Degree | 37,852 | 14.13% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 239,067 | 227,607 | 91,510 |
| Black | 11,350 | 10,747 | 4,561 |
| Asian | 6,929 | 6,222 | 4,275 |
| Hispanic | 6,739 | 5,724 | 2,302 |
| 2+ Races | 3,703 | 3,623 | 1,420 |
| Other Race | 1,335 | 923 | 367 |
| Native American | 506 | 436 | 207 |
| Islander | 45 | 35 |
The highest rate of high school graduation is among 2+ races people with a rate of 97.84%.
The highest rate of bachelors degrees is among asian people with a rate of 61.70%.
$49,971
Average Earnings
$60,787
Average Male
$40,149
Average Female
94.20% of St. Charles County, Missouri residents speak only English, while 5.80% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.37% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 336,774 | 14,638 | 4.35% |
| Black | 16,835 | 2,116 | 12.57% |
| Multiple | 10,094 | 1,445 | 14.32% |
| Hispanic | 12,394 | 1,258 | 10.15% |
| Asian | 9,937 | 387 | 3.89% |
| Other | 2,285 | 293 | 12.82% |
| Islander | 121 | 65 | 53.72% |
| Native | 640 | 54 | 8.44% |
5.18%
Overall Poverty Rate
4.22%
Male Poverty Rate
6.11%
Female Poverty Rate
The race most likely to be in poverty in St. Charles County, Missouri is Islander, with 53.72% below the poverty level.
The race least likely to be in poverty in St. Charles County, Missouri is Asian, with 3.89% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.97%. Among those working part-time, it was 7.49%, and for those that did not work, the poverty rate was 9.50%.
56.0%
Overall Marriage Rate
57.7%
Male Marriage Rate
54.5%
Female Marriage Rate
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.
| Name | Veterans | % of Total |
|---|---|---|
| White | 22,354 | 8.19% |
| Black | 1,103 | 8.45% |
| Hispanic | 541 | 6.50% |
| 2+ Races | 360 | 7.08% |
| Other Race | 138 | 8.36% |
| Asian | 134 | 1.74% |
| Native American | 105 | 17.98% |
1.90%
Veteran Poverty Rate
23.84%
Veteran Disability Rate
69.9%
Labor Force Participation
67.8%
Employment Rate
2.9%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
95.95%
Native Born
4.05%
Foreign Born
2.08%
Non Citizen
1.96%
Naturalized
95.95% of St. Charles County, Missouri residents were born in the United States, with 68.51% having been born in Missouri. 2.08% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.