Johnson County's 2026 population is estimated at 8,878, reflecting a -1.66% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Johnson County is the 132nd largest county in Georgia. The 2010 population was 9,991 and has grown -11.14% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 47.6 years
Male: 42.2 years
There are 7,557 adults, (1,867 of whom are seniors) in Johnson County.
Female: 3,674 (40%)
Male: 5,516 (60%)
The racial composition of Johnson County includes 62.18% White, 32.94% Black or African American, and smaller percentages for other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,714 | 62.18% |
| Black or African American | 3,027 | 32.94% |
| Two or more races | 380 | 4.13% |
| Other race | 43 | 0.47% |
| Native American | 26 | 0.28% |
Johnson County 's average per capita income is $38,412. Household income levels show a median of $51,028. The poverty rate stands at 24.24%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $76,094 | - |
| Families | $62,395 | $80,904 |
| Households | $51,028 | $66,594 |
| Non Families | $32,517 | $37,971 |
Average Income
Median Household Income
Poverty Rate