Cheatham County's 2026 population is estimated at 42,940, reflecting a 0.38% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cheatham County is the 39th largest county in Tennessee. The 2010 population was 39,120 and has grown 9.76% since 2010.
Overall: 41.5 years
Female: 41.7 years
Male: 41.1 years
There are 32,866 adults, (6,682 of whom are seniors) in Cheatham County.
Female: 20,809 (49.7%)
Male: 21,020 (50.3%)
The racial composition of Cheatham County includes 90.24% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 37,747 | 90.24% |
| Two or more races | 2,337 | 5.59% |
| Black or African American | 891 | 2.13% |
| Other race | 361 | 0.86% |
| Asian | 300 | 0.72% |
| Native American | 108 | 0.26% |
| Native Hawaiian or Pacific Islander | 85 | 0.2% |
Cheatham County 's average per capita income is $52,856. Household income levels show a median of $89,852. The poverty rate stands at 7.67%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,111 | - |
| Families | $99,810 | $119,590 |
| Households | $89,852 | $107,394 |
| Non Families | $48,042 | $67,716 |
Average Income
Median Household Income
Poverty Rate