McNairy County's estimated 2026 population is 26,335 with a growth rate of 0.38% in the past year according to the most recent United States census data. McNairy County is the 59th largest county in Tennessee. The 2010 population was 26,065 and has seen a growth of 1.04% since that time.
Data after 2023 is projected based on recent change
Overall: 42.9 years
Female: 44.7 years
Male: 41.7 years
There are 20,370 adults, (5,410 of whom are seniors) in McNairy County.
Female: 13,137 (50.6%)
Male: 12,833 (49.4%)
The racial composition of McNairy County includes 90.18% White, 5.37% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 23,420 | 90.18% |
| Black or African American | 1,394 | 5.37% |
| Two or more races | 918 | 3.53% |
| Asian | 108 | 0.42% |
| Other race | 73 | 0.28% |
| Native American | 57 | 0.22% |
McNairy County's average per capita income is $43,275. Household income levels show a median of $53,473. The poverty rate stands at 16.52%.
Name | Median | Mean |
|---|---|---|
| Married Families | $78,422 | - |
| Families | $66,121 | $82,078 |
| Households | $53,473 | $69,996 |
| Non Families | $28,821 | $41,339 |
Average Income
Median Household Income
Poverty Rate
