St. Louis County, Missouri's estimated 2024 population is 983,327 with a growth rate of -0.38% 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 998,846 and has seen a growth of -1.55% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 964,667 | -3,732 | -0.39% |
| 2028 | 968,399 | -3,732 | -0.38% |
| 2027 | 972,131 | -3,732 | -0.38% |
| 2026 | 975,863 | -3,732 | -0.38% |
| 2025 | 979,595 | -3,732 | -0.38% |
| 2024 | 983,327 | -3,732 | -0.38% |
| 2023 | 987,059 | -3,732 | -0.38% |
| 2022 | 990,791 | -7,648 | -0.77% |
| 2021 | 998,439 | -4,691 | -0.47% |
| 2020 | 1,003,130 | 7,663 | 0.77% |
| 2019 | 995,467 | -433 | -0.04% |
| 2018 | 995,900 | -1,216 | -0.12% |
| 2017 | 997,116 | -1,277 | -0.13% |
| 2016 | 998,393 | -3,192 | -0.32% |
| 2015 | 1,001,585 | 682 | 0.07% |
| 2014 | 1,000,903 | 157 | 0.02% |
| 2013 | 1,000,746 | -229 | -0.02% |
| 2012 | 1,000,975 | 828 | 0.08% |
| 2011 | 1,000,147 | 1,301 | 0.13% |
| 2010 | 998,846 | 0 | 0% |
| 1990 | 993,529 | 19,633 | 2.02% |
| 1980 | 973,896 | 22,543 | 2.37% |
| 1970 | 951,353 | 247,821 | 35.23% |
| 1960 | 703,532 | 297,183 | 73.13% |
| 1950 | 406,349 | 132,119 | 48.18% |
| 1940 | 274,230 | 62,637 | 29.6% |
| 1930 | 211,593 | 110,856 | 110.04% |
| 1920 | 100,737 | 18,320 | 22.23% |
| 1910 | 82,417 | 32,377 | 64.7% |
| 1900 | 50,040 | 13,733 | 37.82% |
| 1890 | 36,307 | 4,419 | 13.86% |
| 1880 | 31,888 | -319,301 | -90.92% |
| 1870 | 351,189 | 160,665 | 84.33% |
| 1860 | 190,524 | 85,546 | 81.49% |
| 1850 | 104,978 | 68,999 | 191.78% |
| 1840 | 35,979 | 21,854 | 154.72% |
| 1830 | 14,125 | 4,076 | 40.56% |
| 1820 | 10,049 | 4,382 | 77.32% |
| 1810 | 5,667 | -959,000 | -99.41% |
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 | 413,247 | 2.37 | 68.5 | 31.5 |
| Married | 187,039 | 3.06 | 86.9 | 13.1 |
| Non Family | 155,391 | 1.19 | 53.8 | 46.2 |
| Female | 53,462 | 3.19 | 49.9 | 50.1 |
| Male | 17,355 | 3.11 | 59.3 | 40.7 |
3.02
Average Family Size
2.37
Average Household Size
68.5%
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 islander people with a rate of 98.11%.
The highest rate of bachelors degrees is among asian people with a rate of 75.69%.
All
Male
Female
$53,321
Average Earnings
$63,461
Average Male
$45,182
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
90.37% of St. Louis County, Missouri residents speak only English, while 9.63% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.44% of the population.
rate
9.62%
Overall Poverty Rate
8.49%
Male Poverty Rate
10.65%
Female Poverty Rate
The race most likely to be in poverty in St. Louis County, Missouri is Black, with 19.83% below the poverty level.
The race least likely to be in poverty in St. Louis County, Missouri is White, with 5.64% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.53%. Among those working part-time, it was 12.87%, and for those that did not work, the poverty rate was 16.17%.
Married
Widowed
Divorced
Separated
NeverMarried
47.9%
Overall Marriage Rate
51.4%
Male Marriage Rate
44.9%
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 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
5.26%
Veteran Poverty Rate
29.76%
Veteran Disability Rate
LaborForceParticipation
64.8%
Labor Force Participation
62%
Employment Rate
4.3%
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
67.12%
Born in St. Louis County, Missouri
92.33%
Native Born
7.67%
Foreign Born
3.35%
Non Citizen
4.31%
Naturalized
92.33% of St. Louis County, Missouri residents were born in the United States, with 67.12% having been born in Missouri. 3.35% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.