Clay County, MO — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
255,566
Male
126,284
49.4%
Female
129,282
50.6%
Median Age
37.6 yrs
Avg Household Size
2.5
Foreign Born
5.5%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher24.6%
High School or Higher42.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.6%
Disability
0.0%
Non-English Home
3.8%
Married
42.5%
Clay County, MO has a population of 255,566 according to 2023 Census Bureau estimates. The median age is 37.6 years. The largest racial or ethnic group is White at 80.1% of the population. 24.6% of residents hold a bachelor's degree or higher. 5.5% of residents are foreign-born.