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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

Population 110,296
Median Household Income $76,817
Median Home Value $229,100
Poverty Rate 9.4%
Unemployment Rate 3.1%
Median Age 41.3 years
Homeownership Rate 73.4%
Affordability Ratio 3.0x
Bachelor's Degree+ 26.8%
High School Graduation 92.8%
Cities/Places 13
Population 110,296 25th of 88
Median Income $76,817 8% higher than state
Poverty Rate 9.4%
Unemployment 3.1%

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.

Metric2019–20232020–2024Change
Population109,549110,296+0.7%
Median household income$74,175$76,817+3.6%
Median home value$209,200$229,100+9.5%

Economy & Housing

Household Income Distribution

Under $25K 13.8%
$25K-$50K 16.6%
$50K-$100K 32.7%
$100K+ 36.9%
Detailed income brackets
Under $10K
2.7%
$10K-$15K
3.5%
$15K-$20K
3.4%
$20K-$25K
4.0%
$25K-$30K
3.3%
$30K-$35K
2.6%
$35K-$40K
3.0%
$40K-$45K
4.5%
$45K-$50K
3.1%
$50K-$60K
6.6%
$60K-$75K
11.9%
$75K-$100K
14.2%
$100K-$125K
10.6%
$125K-$150K
8.1%
$150K-$200K
10.3%
$200K+
8.0%

Employment

3.1% Unemployment Rate State: 4.8%|National: 5.2%
64.1% Labor Force Participation

Housing Overview

Owner 73.4%
Renter 26.6%
Affordability Index Affordable
3.0x home value to income ratio
Median gross rent $966/mo 15.1% of median household income annually

People & Demographics

Diversity Index

19out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 41 | National average: 61

Education

Cities & Places in Miami County

CityPopulationMedian IncomePovertyHome Value
Troy26,842$68,83012.6%$217,400
Piqua20,646$67,79617.6%$138,600
Tipp City10,439$78,0986.2%$273,500
West Milton4,771$62,88515.3%$141,800
Covington2,596$59,7505.3%$175,400
Bradford1,674$64,13914.7%$136,100
Pleasant Hill1,526$72,3303.4%$176,000
Fletcher719$75,41711.1%$134,800
Laura436$78,1255.7%$123,700
Casstown259$51,2506.6%$110,600
Potsdam253$66,25020.8%$124,300
Brandt210N/A18.6%N/A
Ludlow Falls105$60,2508.6%$97,800

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.