Clayton demographics profile

Population density (sq mi)69922291
Median age40.137.437.7
Male/Female ratio1.2:11.0:11.0:1
Married (15yrs & older)51%55%55%
Speak English100%77%79%
Speak Spanish0%13%13%
Clayton, IL has a population of 607 and is the 18,376th largest city in the United States. The population density is 699 per sq mi which is 214% higher than the Illinois average and 671% higher than the national average. The median age in Clayton is 40 which is approximately 7% higher than the Illinois average of 37. In Clayton, 51% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of Clayton residents were born in Illinois, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.

Did you know?

  • The population density in Clayton is 214% higher than Illinois.
  • The median age in Clayton is 7% higher than Illinois.
  • In Clayton 98.35% of the population is White.
  • In Clayton 0.00% of the population is African American.
  • In Clayton 0.00% of the population is Asian.

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Clayton population breakdown by race

African American0.00%14.30%12.63%
American Indian1.65%0.23%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race0.00%2.34%3.06%
Other race0.00%5.86%4.75%
In Clayton, 0.0% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Clayton age breakdown

Marital status

Age of children in married couples

Source: The Clayton, IL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).