Miami County's estimated 2026 population is 36,679 with a growth rate of 1.21% in the past year according to the most recent United States census data. Miami County is the 14th largest county in Kansas. The 2010 population was 32,882 and has seen a growth of 11.55% since that time.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 41.7 years
Male: 41.8 years
There are 26,710 adults, (6,323 of whom are seniors) in Miami County.
Female: 17,456 (50%)
Male: 17,482 (50%)
The racial composition of Miami County includes 90.29% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 31,547 | 90.29% |
| Two or more races | 2,023 | 5.79% |
| Other race | 657 | 1.88% |
| Black or African American | 442 | 1.27% |
| Native American | 218 | 0.62% |
| Asian | 51 | 0.15% |
Miami County's average per capita income is $57,852. Household income levels show a median of $89,000. The poverty rate stands at 7.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $120,957 | - |
| Families | $109,579 | $125,242 |
| Households | $89,000 | $106,192 |
| Non Families | $41,422 | $55,688 |
Average Income
Median Household Income
Poverty Rate