Grundy County's estimated 2026 population is 14,114 with a growth rate of -0.01% in the past year according to the most recent United States census data. Grundy County is the 82nd largest county in Tennessee. The 2010 population was 13,725 and has seen a growth of 2.83% since that time.
Data after 2023 is projected based on recent change
Overall: 42.7 years
Female: 43.9 years
Male: 42.4 years
There are 10,842 adults, (2,862 of whom are seniors) in Grundy County.
Female: 6,900 (49.9%)
Male: 6,919 (50.1%)
The racial composition of Grundy County includes 93.8% White, and smaller percentages for Asian, Black or African American, Native American, other race and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,962 | 93.8% |
| Two or more races | 672 | 4.86% |
| Asian | 105 | 0.76% |
| Black or African American | 62 | 0.45% |
| Native American | 16 | 0.12% |
| Other race | 2 | 0.01% |
Grundy County's average per capita income is $32,394. Household income levels show a median of $47,593. The poverty rate stands at 18.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $59,257 | - |
| Families | $53,512 | $71,770 |
| Households | $47,593 | $62,286 |
| Non Families | $33,318 | $39,766 |
Average Income
Median Household Income
Poverty Rate