Johnson County's estimated 2026 population is 21,969 with a growth rate of -0.37% in the past year according to the most recent United States census data. Johnson County is the 53rd largest county in Kentucky. The 2010 population was 23,398 and has seen a growth of -6.11% since that time.
Data after 2023 is projected based on recent change
Overall: 42 years
Female: 43.4 years
Male: 40.4 years
There are 17,368 adults, (4,278 of whom are seniors) in Johnson County.
Female: 11,192 (50.1%)
Male: 11,142 (49.9%)
The racial composition of Johnson County includes 93.95% White, and smaller percentages for Asian, Black or African American, Native American, other race, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 20,983 | 93.95% |
| Two or more races | 862 | 3.86% |
| Asian | 312 | 1.4% |
| Black or African American | 123 | 0.55% |
| Native American | 30 | 0.13% |
| Other race | 21 | 0.09% |
| Native Hawaiian or Pacific Islander | 3 | 0.01% |
Johnson County's average per capita income is $34,363. Household income levels show a median of $44,904. The poverty rate stands at 22.79%.
Name | Median | Mean |
|---|---|---|
| Married Families | $65,124 | - |
| Families | $60,751 | $75,452 |
| Households | $44,904 | $61,524 |
| Non Families | $18,440 | $25,161 |
Average Income
Median Household Income
Poverty Rate