Miami County's estimated 2025 population is 113,002 with a growth rate of 0.94% in the past year according to the most recent United States census data. Miami County is the 25th largest county in Ohio. The 2010 population was 102,487 and has seen a growth of 10.26% since that time.
Data after 2023 is projected based on recent change
The racial composition of Miami County includes 91.19% White, and smaller percentages for Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (91.2%)
Two or more races (4.4%)
Black or African American (2.1%)
Asian (1.7%)
Other race (0.6%)
Native American (0.1%)
Native Hawaiian or Pacific Islander (0.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 99,899 | 91.19% |
| Two or more races | 4,831 | 4.41% |
| Black or African American | 2,261 | 2.06% |
| Asian | 1,861 | 1.7% |
| Other race | 622 | 0.57% |
| Native American | 67 | 0.06% |
| Native Hawaiian or Pacific Islander | 8 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Miami County's average per capita income is $49,477. Household income levels show a median of $74,175. The poverty rate stands at 8.62%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,341 | $123,307 |
| Families | $95,196 | $111,685 |
| Households | $74,175 | $94,300 |
| Non Families | $41,432 | $56,455 |
Average Income
Median Household Income
Poverty Rate