Grainger County's estimated 2025 population is 25,673 with a growth rate of 1.97% in the past year according to the most recent United States census data. Grainger County is the 60th largest county in Tennessee. The 2010 population was 22,718 and has seen a growth of 13.01% since that time.
Data after 2023 is projected based on recent change
The racial composition of Grainger County includes 96.03% White, and smaller percentages for Two or more races, Black or African American, Native Hawaiian or Pacific Islander, Native American, other race, Asian and multiracial populations.
White
Two or more races
Black or African American
Native Hawaiian or Pacific Islander
Native American
Other race
Asian
Race | Population | Percentage (of total) |
|---|---|---|
| White | 22,978 | 96.03% |
| Two or more races | 460 | 1.92% |
| Black or African American | 269 | 1.12% |
| Native Hawaiian or Pacific Islander | 112 | 0.47% |
| Native American | 41 | 0.17% |
| Other race | 35 | 0.15% |
| Asian | 34 | 0.14% |
Married
Widowed
Divorced
Separated
Never Married
Grainger County's average per capita income is $36,963. Household income levels show a median of $51,351. The poverty rate stands at 16.36%.
Name | Median | Mean |
|---|---|---|
| Married Families | $77,969 | - |
| Families | $66,264 | $85,095 |
| Households | $51,351 | $68,952 |
| Non Families | $22,990 | $32,508 |
Average Income
Median Household Income
Poverty Rate
