Clayton is a city located in St. Louis County and St. Louis city Missouri. Clayton has a 2024 population of 16,913. It is also the county seat of St. Louis County. Clayton is currently declining at a rate of -0.63% annually and its population has decreased by -2.5% since the most recent census, which recorded a population of 17,347 in 2020.
The average household income in Clayton is $207,158 with a poverty rate of 8.17%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Clayton is 27.6 years, 26.1 years for males, and 29.4 years for females.
According to the most recent ACS, the racial composition of Clayton was:
White
Asian
Black or African American
Two or more races
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 5,819 | 2.16 | 54.5 | 45.5 |
| Non Family | 2,618 | 1.13 | 32.3 | 67.7 |
| Married | 2,580 | 3.02 | 78.3 | 21.7 |
| Female | 440 | 3.08 | 46.8 | 53.2 |
| Male | 181 | 2.44 | 54.1 | 45.9 |
2.98
Average Family Size
2.16
Average Household Size
54.5%
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 other race people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 85.29%.
All
Male
Female
$94,574
Average Earnings
$124,057
Average Male
$69,889
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
85.44% of Clayton residents speak only English, while 14.56% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 6.98% of the population.
rate
8.17%
Overall Poverty Rate
6.52%
Male Poverty Rate
9.62%
Female Poverty Rate
The race most likely to be in poverty in Clayton is Asian, with 19.06% below the poverty level.
The race least likely to be in poverty in Clayton is Multiple, with 1.53% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.33%. Among those working part-time, it was 12.03%, and for those that did not work, the poverty rate was 24.68%.
Married
Widowed
Divorced
Separated
NeverMarried
37.7%
Overall Marriage Rate
40.6%
Male Marriage Rate
35.0%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
18.28%
Veteran Poverty Rate
18.55%
Veteran Disability Rate
LaborForceParticipation
53.3%
Labor Force Participation
51.9%
Employment Rate
2.4%
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
43.05%
Born in Clayton
88.89%
Native Born
11.11%
Foreign Born
6.97%
Non Citizen
4.14%
Naturalized
88.89% of Clayton residents were born in the United States, with 43.05% having been born in Missouri. 6.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 16,370 | -109 | -0.66% |
| 2028 | 16,479 | -108 | -0.65% |
| 2027 | 16,587 | -109 | -0.65% |
| 2026 | 16,696 | -108 | -0.64% |
| 2025 | 16,804 | -109 | -0.64% |
| 2024 | 16,913 | -108 | -0.63% |
| 2023 | 17,021 | -109 | -0.64% |
| 2022 | 17,130 | -163 | -0.94% |
| 2021 | 17,293 | -54 | -0.31% |
| 2020 | 17,347 | 584 | 3.48% |
| 2019 | 16,763 | -28 | -0.17% |
| 2018 | 16,791 | -44 | -0.26% |
| 2017 | 16,835 | 169 | 1.01% |
| 2016 | 16,666 | 747 | 4.69% |
| 2015 | 15,919 | -6 | -0.04% |
| 2014 | 15,925 | -7 | -0.04% |
| 2013 | 15,932 | -30 | -0.19% |
| 2012 | 15,962 | -12 | -0.08% |
| 2011 | 15,974 | 0 | 0% |
| 2010 | 15,974 | 3,149 | 24.55% |
| 2000 | 12,825 | -1,049 | -7.56% |
| 1990 | 13,874 | -432 | -3.02% |
| 1980 | 14,306 | -1,794 | -11.14% |
| 1970 | 16,100 | 855 | 5.61% |
| 1960 | 15,245 | -790 | -4.93% |
| 1950 | 16,035 | 2,966 | 22.69% |
| 1940 | 13,069 | 3,456 | 35.95% |
| 1930 | 9,613 | 6,585 | 217.47% |
| 1920 | 3,028 | 0 | 0% |