Montgomery County's estimated 2026 population is 541,703 with a growth rate of 0.39% 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 1.14% since that time.
Data after 2023 is projected based on recent change
The racial composition of Montgomery County includes 69.2% White, 20.48% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (69.2%)
Black or African American (20.48%)
Two or more races (6.41%)
Asian (2.17%)
Other race (1.56%)
Native American (0.16%)
Native Hawaiian or Pacific Islander (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 370,565 | 69.2% |
| Black or African American | 109,697 | 20.48% |
| Two or more races | 34,341 | 6.41% |
| Asian | 11,600 | 2.17% |
| Other race | 8,350 | 1.56% |
| Native American | 878 | 0.16% |
| Native Hawaiian or Pacific Islander | 97 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Montgomery County's average per capita income is $46,872. Household income levels show a median of $64,403. The poverty rate stands at 14.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,857 | $130,170 |
| Families | $84,813 | $107,093 |
| Households | $64,403 | $86,066 |
| Non Families | $41,428 | $54,194 |
Average Income
Median Household Income
Poverty Rate
