Montgomery County's 2026 population is estimated at 257,279, reflecting a 2.24% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Montgomery County is the 7th largest county in Tennessee. The 2010 population was 173,181 and has grown 48.56% since 2010.
Data after 2023 is projected based on recent change
Overall: 31.9 years
Female: 32.8 years
Male: 31 years
There are 171,468 adults, (23,428 of whom are seniors) in Montgomery County.
Female: 117,496 (50.2%)
Male: 116,657 (49.8%)
The racial composition of Montgomery County includes 62.71% White, 19.51% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 146,834 | 62.71% |
| Black or African American | 45,681 | 19.51% |
| Two or more races | 28,477 | 12.16% |
| Asian | 6,107 | 2.61% |
| Other race | 5,656 | 2.42% |
| Native American | 743 | 0.32% |
| Native Hawaiian or Pacific Islander | 655 | 0.28% |
Montgomery County 's average per capita income is $48,507. Household income levels show a median of $75,613. The poverty rate stands at 11.27%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,853 | $116,261 |
| Families | $89,522 | $102,451 |
| Households | $75,613 | $91,158 |
| Non Families | $47,828 | $59,263 |
Average Income
Median Household Income
Poverty Rate