Miami County, Ohio Demographics 2026
Miami County, Ohio has a population of 110,296, the 25th most populous county in Ohio. The median household income is $76,817 and the median home value is $229,100. The poverty rate is 9.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Miami County Quick Facts
How Miami County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 109,549 | 110,296 | +0.7% |
| Median household income | $74,175 | $76,817 | +3.6% |
| Median home value | $209,200 | $229,100 | +9.5% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Miami County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Troy | 26,842 | $68,830 | 12.6% | $217,400 |
| Piqua | 20,646 | $67,796 | 17.6% | $138,600 |
| Tipp City | 10,439 | $78,098 | 6.2% | $273,500 |
| West Milton | 4,771 | $62,885 | 15.3% | $141,800 |
| Covington | 2,596 | $59,750 | 5.3% | $175,400 |
| Bradford | 1,674 | $64,139 | 14.7% | $136,100 |
| Pleasant Hill | 1,526 | $72,330 | 3.4% | $176,000 |
| Fletcher | 719 | $75,417 | 11.1% | $134,800 |
| Laura | 436 | $78,125 | 5.7% | $123,700 |
| Casstown | 259 | $51,250 | 6.6% | $110,600 |
| Potsdam | 253 | $66,250 | 20.8% | $124,300 |
| Brandt | 210 | N/A | 18.6% | N/A |
| Ludlow Falls | 105 | $60,250 | 8.6% | $97,800 |
Explore Ohio Rankings
Population Overview
Miami County is located in Ohio with a total population of 110,296. It is the 25th most populous county out of 88 in Ohio. The county encompasses 13 Census-designated places.
Age Demographics
The median age in Miami County is 41.3 years. This is 4% higher than the state median of 39.7 years.
Economy, Income & Housing
The median household income in Miami County is $76,817. This is 8% higher than the state median of $71,389. It is also 5% lower than the national median of $80,734. The poverty rate stands at 9.4%. This is 29% lower than the state poverty rate of 13.3%. The unemployment rate is 3.1%. This is 34% lower than the state rate of 4.8%. The median home value is $229,100. Housing costs are 7% higher than the state median of $214,800. The home-value-to-income ratio is 3.0x. 73.4% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 67.2%.
Race & Ethnicity
Miami County has a predominantly White (non-Hispanic) population, comprising 89.9% of all residents. Hispanic or Latino residents account for 2.1%. The Black or African American population (1.8%) is well below the state average of 12.0%. The Hispanic or Latino population (2.1%) is well below the state average of 4.8%.
Education
26.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.8%.
Data Sources & Methodology
All figures for Miami County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Ohio and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Miami County, Ohio?
Miami County has a population of 110,296, making it the 25th most populous county in Ohio.
What is the median income in Miami County?
The median household income in Miami County is $76,817 with a poverty rate of 9.4%.
How many cities are in Miami County, Ohio?
Miami County contains 13 Census-designated places.