State
County
Land Area
3.8 sq mi
Density
3,229.60/sq mi
2020 Growth Rate
0.56%
Growth Since 2010
13.82%
Rank in State
Rank in Country
Clayton is a city located in California. With a 2020 population of 12,403, it is the 350th largest city in California and the 2655th largest city in the United States. Clayton is currently growing at a rate of 0.56% annually and its population has increased by 13.82% since the most recent census, which recorded a population of 10,897 in 2010. Clayton reached it's highest population of 12,403 in 2021. Spanning over 4 miles, Clayton has a population density of 3,230 people per square mile.
The average household income in Clayton is $191,059 with a poverty rate of 1.36%. The median rental costs in recent years comes to $2,627 per month, and the median house value is $771,400. The median age in Clayton is 45.9 years, 45.3 years for males, and 46.5 years for females. For every 100 females there are 91.7 males.
According to the most recent ACS, the racial composition of Clayton was:
| Race | Population | Percentage |
|---|---|---|
| White | 10,044 | 83.13% |
| Asian | 922 | 7.63% |
| Two or More Races | 687 | 5.69% |
| Black or African American | 279 | 2.31% |
| Some Other Race | 136 | 1.13% |
| American Indian and Alaska Native | 15 | 0.12% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 4,232 | 2.85 | 92.9 |
| Married | 2,963 | 3.32 | 92.6 |
| Non Family | 932 | 1.18 | 95.3 |
| Female | 252 | 3.24 | 85.3 |
| Male | 85 | 3.61 | 100 |
3.27
Average Family Size
2.85
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 10 | 0.12% |
| 9th to 12th Grade | 196 | 2.36% |
| High School Graduate | 855 | 10.29% |
| Some College | 1,774 | 21.36% |
| Associates Degree | 671 | 8.08% |
| Bachelors Degree | 3,150 | 37.92% |
| Graduate Degree | 1,651 | 19.87% |
| Name | Total | High School | Bachelors |
|---|---|---|---|
| White | 6,473 | 6,376 | 3,714 |
| Hispanic | 757 | 698 | 296 |
| Asian | 604 | 577 | 476 |
| Multiple Races | 341 | 293 | 156 |
| Black | 176 | 174 | 156 |
| Other Race | 127 | 109 | 10 |
| Native American | 15 | 15 |
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among black people with a rate of 88.64%.
$84,479
Average Earnings
$104,417
Average Male
$70,911
Average Female
87.21% of Clayton residents speak only English, while 12.79% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.51% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 8,968 | 127 | 1.42% |
| Multiple | 685 | 19 | 2.77% |
| Asian | 922 | 9 | 0.98% |
| Hispanic | 1,239 | 5 | 0.40% |
| Black | 279 | 4 | 1.43% |
1.36%
Overall Poverty Rate
1.34%
Male Poverty Rate
1.38%
Female Poverty Rate
The race most likely to be in poverty in Clayton is Multiple, with 2.77% below the poverty level.
The race least likely to be in poverty in Clayton is Hispanic, with 0.40% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.05%. Among those working part-time, it was 2.09%, and for those that did not work, the poverty rate was 3.02%.
61.2%
Overall Marriage Rate
66.4%
Male Marriage Rate
56.7%
Female Marriage Rate
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 611 | 7.74% |
| Asian | 34 | 4.72% |
| Hispanic | 11 | 1.21% |
| Black | 1 | 0.57% |
0.31%
Veteran Poverty Rate
24.77%
Veteran Disability Rate
63.2%
Labor Force Participation
61.2%
Employment Rate
3.1%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
89.06%
Native Born
10.94%
Foreign Born
2.84%
Non Citizen
8.10%
Naturalized
89.06% of Clayton residents were born in the United States, with 64.45% having been born in California. 2.84% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 12,403 | 69 | 0.56% |
| 2020 | 12,334 | 69 | 0.56% |
| 2019 | 12,265 | 69 | 0.57% |
| 2018 | 12,196 | 69 | 0.57% |
| 2017 | 12,127 | 119 | 0.99% |
| 2016 | 12,008 | 168 | 1.42% |
| 2015 | 11,840 | 173 | 1.48% |
| 2014 | 11,667 | 186 | 1.62% |
| 2013 | 11,481 | 210 | 1.86% |
| 2012 | 11,271 | 123 | 1.10% |
| 2011 | 11,148 | 190 | 1.73% |
| 2010 | 10,958 | 196 | 0.18% |
| 2000 | 10,762 | 3,445 | 3.93% |
| 1990 | 7,317 | 2,992 | 5.40% |
| 1980 | 4,325 | 2,940 | 12.06% |
| 1970 | 1,385 | 0.00% |