Johnson County's estimated 2026 population is 57,426 with a growth rate of 1.36% in the past year according to the most recent United States census data. Johnson County is the 20th largest county in Missouri. The 2010 population was 52,689 and has seen a growth of 8.99% 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 (86.25%)
Two or more races (6.54%)
Black or African American (3.75%)
Asian (1.67%)
Other race (1.29%)
Native Hawaiian or Pacific Islander (0.29%)
Native American (0.22%)
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