Clayton is a city located in Adams County Illinois. With a 2020 population of 625, it is the 824th largest city in Illinois and the 17797th largest city in the United States. Clayton is currently declining at a rate of -1.11% annually and its population has decreased by -2.19% since the most recent census, which recorded a population of 639 in 2020. Spanning over 1 miles, Clayton has a population density of 707 people per square mile.
The average household income in Clayton is $43,478 with a poverty rate of 21.37%. The median rental costs in recent years comes to $417 per month, and the median house value is $75,200. The median age in Clayton is 40.3 years, 41.3 years for males, and 39.4 years for females.
According to the most recent ACS, the racial composition of Claytonwas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among white people with a rate of 84.69%.
The highest rate of bachelors degrees is among white people with a rate of 7.16%.
98.76% of Clayton residents speak only English, while 1.24% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.71% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Clayton is White, with 21.66% below the poverty level.
The race least likely to be in poverty in Clayton is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.23%. Among those working part-time, it was 32.20%, and for those that did not work, the poverty rate was 33.87%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Clayton
100.00% of Clayton residents were born in the United States, with 85.30% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.