Montgomery County's estimated 2026 population is 542,266 with a growth rate of 0.49% in the past year according to the most recent United States census data. Montgomery County is the 4th largest county in Ohio. The 2010 population was 535,620 and has seen a growth of 1.24% since that time.
Data after 2023 is projected based on recent change
Overall: 38.8 years
Female: 40.4 years
Male: 37.2 years
There are 417,262 adults, (99,611 of whom are seniors) in Montgomery County.
Female: 276,459 (51.6%)
Male: 259,637 (48.4%)
The racial composition of Montgomery County includes 68.39% White, 20.45% 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 | 366,623 | 68.39% |
| Black or African American | 109,607 | 20.45% |
| Two or more races | 38,313 | 7.15% |
| Asian | 12,151 | 2.27% |
| Other race | 8,820 | 1.65% |
| Native American | 485 | 0.09% |
| Native Hawaiian or Pacific Islander | 97 | 0.02% |
Montgomery County's average per capita income is $48,714. Household income levels show a median of $66,139. The poverty rate stands at 15.01%.
Name | Median | Mean |
|---|---|---|
| Married Families | $110,511 | $133,327 |
| Families | $87,506 | $110,190 |
| Households | $66,139 | $88,114 |
| Non Families | $42,200 | $55,885 |
Average Income
Median Household Income
Poverty Rate
