St. Louis County, Missouri's estimated 2023 population is 1,005,676 with a growth rate of 0.05% in the past year according to the most recent United States census data. St. Louis County, Missouri is the largest county in Missouri. The 2010 population was 998,954 and has seen a growth of 0.67% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2010 | 998,954 | ||
| 2011 | 999,471 | 517 | 0.05% |
| 2012 | 999,988 | 517 | 0.05% |
| 2013 | 1,000,505 | 517 | 0.05% |
| 2014 | 1,001,022 | 517 | 0.05% |
| 2015 | 1,001,539 | 517 | 0.05% |
| 2016 | 1,002,056 | 517 | 0.05% |
| 2017 | 1,002,573 | 517 | 0.05% |
| 2018 | 1,003,090 | 517 | 0.05% |
| 2019 | 1,003,607 | 517 | 0.05% |
| 2020 | 1,004,125 | 518 | 0.05% |
| 2021 | 1,004,642 | 517 | 0.05% |
| 2022 | 1,005,159 | 517 | 0.05% |
| 2023 | 1,005,676 | 517 | 0.05% |
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 412,858 | 2.38 | 68.8 | 31.2 |
| Married | 189,322 | 3.07 | 86.8 | 13.2 |
| Non Family | 153,351 | 1.2 | 54.4 | 45.6 |
| Female | 53,456 | 3.13 | 49.1 | 50.9 |
| Male | 16,729 | 3.14 | 60 | 40 |
3.02
Average Family Size
2.38
Average Household Size
68.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
90.51% of St. Louis County, Missouri residents speak only English, while 9.49% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.88% of the population.
rate
9.58%
Overall Poverty Rate
8.37%
Male Poverty Rate
10.69%
Female Poverty Rate
The race most likely to be in poverty in St. Louis County, Missouri is Native, with 27.28% below the poverty level.
The race least likely to be in poverty in St. Louis County, Missouri is White, with 5.67% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.41%. Among those working part-time, it was 13.37%, and for those that did not work, the poverty rate was 15.87%.
Married
Widowed
Divorced
Separated
NeverMarried
48.6%
Overall Marriage Rate
52.1%
Male Marriage Rate
45.4%
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 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
4.65%
Veteran Poverty Rate
28.63%
Veteran Disability Rate
LaborForceParticipation
65.2%
Labor Force Participation
62.3%
Employment Rate
4.4%
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
68.45%
Born in St. Louis County, Missouri
94.36%
Native Born
7.77%
Foreign Born
3.4%
Non Citizen
4.38%
Naturalized
94.36% of St. Louis County, Missouri residents were born in the United States, with 68.45% having been born in Missouri. 3.4% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.