Johnson County's estimated 2025 population is 55,988 with a growth rate of 0.92% in the past year according to the most recent United States census data. Johnson County is the 21st largest county in Missouri. The 2010 population was 52,689 and has seen a growth of 6.26% since that time.
Data after 2023 is projected based on recent change
The racial composition of Johnson County includes 86.25% White, 3.75% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White
Two or more races
Black or African American
Asian
Other race
Native Hawaiian or Pacific Islander
Native American
Race | Population | Percentage (of total) |
|---|---|---|
| White | 46,858 | 86.25% |
| Two or more races | 3,552 | 6.54% |
| Black or African American | 2,036 | 3.75% |
| Asian | 907 | 1.67% |
| Other race | 700 | 1.29% |
| Native Hawaiian or Pacific Islander | 159 | 0.29% |
| Native American | 119 | 0.22% |
Married
Widowed
Divorced
Separated
Never Married
Johnson County's average per capita income is $45,394. Household income levels show a median of $67,123. The poverty rate stands at 11.89%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,977 | $110,487 |
| Families | $84,892 | $100,638 |
| Households | $67,123 | $82,729 |
| Non Families | $41,897 | $49,634 |
Average Income
Median Household Income
Poverty Rate