Johnson County, MO — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
54,331
Male
27,793
51.2%
Female
26,538
48.8%
Median Age
31.3 yrs
Avg Household Size
2.4
Foreign Born
2.8%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher17.2%
High School or Higher36.7%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
9.6%
Disability
0.0%
Non-English Home
4.1%
Married
40.6%
Johnson County, MO has a population of 54,331 according to 2023 Census Bureau estimates. The median age is 31.3 years. The largest racial or ethnic group is White at 86.3% of the population. 17.2% of residents hold a bachelor's degree or higher. 2.8% of residents are foreign-born.