Grainger County's estimated 2026 population is 26,380 with a growth rate of 2.49% in the past year according to the most recent United States census data. Grainger County is the 58th largest county in Tennessee. The 2010 population was 22,718 and has seen a growth of 16.12% since that time.
Data after 2023 is projected based on recent change
Overall: 47.4 years
Female: 48 years
Male: 45.9 years
There are 19,699 adults, (5,462 of whom are seniors) in Grainger County.
Female: 12,135 (50%)
Male: 12,131 (50%)
The racial composition of Grainger County includes 95.55% White, and smaller percentages for Two or more races, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 23,185 | 95.55% |
| Two or more races | 346 | 1.43% |
| Black or African American | 324 | 1.34% |
| Native American | 218 | 0.9% |
| Native Hawaiian or Pacific Islander | 103 | 0.42% |
| Other race | 47 | 0.19% |
| Asian | 43 | 0.18% |
Grainger County's average per capita income is $37,169. Household income levels show a median of $50,538. The poverty rate stands at 17.07%.
Name | Median | Mean |
|---|---|---|
| Married Families | $74,604 | - |
| Families | $65,237 | $86,101 |
| Households | $50,538 | $70,414 |
| Non Families | $23,975 | $34,121 |
Average Income
Median Household Income
Poverty Rate
