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Miami County, Ohio facts for kids

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Miami County
County courthouse in Troy
County courthouse in Troy
Flag of Miami County
Flag
Official seal of Miami County
Seal
Map of Ohio highlighting Miami County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Country  United States
State  Ohio
Founded March 1, 1807
Named for Miami people
Seat Troy
Largest city Troy*
Area
 • Total 410 sq mi (1,100 km2)
 • Land 407 sq mi (1,050 km2)
 • Water 3.1 sq mi (8 km2)  0.8%%
Population
 (2020)
 • Total 108,774
 • Density 265/sq mi (102.4/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional districts 8th, 15th

Miami County is a special area, also known as a county, located in the state of Ohio in the United States. It's like a big neighborhood with many towns and cities.

In 2020, about 108,774 people lived here. The main city, or "county seat," is Troy. Miami County got its name from the Miami people, a Native American tribe. It is also part of the larger Dayton area.

Exploring Miami County's Geography

Miami County covers a total area of about 410 square miles. Most of this area, about 407 square miles, is land. The rest, about 3.1 square miles, is water.

Neighboring Counties

Miami County shares its borders with several other counties. These are like its neighbors on a map:

Who Lives in Miami County?

This section tells us about the people living in Miami County. It looks at how the population has changed over time.

Historical population
Census Pop.
1810 3,941
1820 8,851 124.6%
1830 12,807 44.7%
1840 19,688 53.7%
1850 24,999 27.0%
1860 29,959 19.8%
1870 32,740 9.3%
1880 36,158 10.4%
1890 39,754 9.9%
1900 43,105 8.4%
1910 45,047 4.5%
1920 48,428 7.5%
1930 51,301 5.9%
1940 52,632 2.6%
1950 61,309 16.5%
1960 72,901 18.9%
1970 84,342 15.7%
1980 90,381 7.2%
1990 93,182 3.1%
2000 98,868 6.1%
2010 102,506 3.7%
2020 108,774 6.1%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2020 >

A Look at the 2010 Census

In 2010, there were 102,506 people living in Miami County. These people lived in about 40,917 homes. The county had about 252 people per square mile.

Most people (94.4%) were white. About 2.0% were Black or African American. Around 1.2% were Asian, and 0.2% were American Indian. Some people (1.8%) were from two or more races. About 1.3% of the population was of Hispanic or Latino origin.

Many families had children under 18 living with them (32.3%). Most homes (54.7%) were married couples. The average household had 2.48 people. The average family had 2.95 people. The average age of people in the county was 40.6 years old.

The average income for a household was $51,507. For families, it was $61,190. About 9.5% of the people lived below the poverty line. This included 14.0% of those under 18.

Education in Miami County

Miami County has many schools for its young people. Here are some of the public school districts and their high schools.

Public School Districts and High Schools

  • Bethel Local Schools
    • Bethel High School, Bethel Township (their mascot is the Bees)
  • Bradford Schools
    • Bradford High School, Bradford (their mascot is the Railroaders)
  • Covington Exempted Village School District
    • Covington High School, Covington (their mascots are the Buccs/Buccaneers)
  • Miami East Local Schools
    • Miami East High School, Casstown (their mascot is the Vikings)
  • Milton-Union Exempted Village Schools
    • Milton-Union High School, West Milton (their mascot is the Bulldogs)
  • Newton Local School District
    • Newton High School, Newton (their mascot is the Indians)
  • Piqua City School District
    • Piqua High School, Piqua (their mascot is the Indians)
  • Tipp City Exempted Village School District
    • Tippecanoe High School, Tipp City (their mascot is the Red Devils)
  • Troy City School District
    • Troy High School, Troy (their mascot is the Trojans)

Other Educational Opportunities

There is also a special school called the Western Ohio Japanese Language School. It's a weekend school near Troy. Kids can go there to learn Japanese. It started in April 1988.

Towns and Villages in Miami County

Miami County has several cities, villages, and smaller communities.

Map of Miami County Ohio With Municipal and Township Labels
Map showing the cities and townships of Miami County

Cities You Can Visit

Villages in the County

Townships (Smaller Areas)

  • Bethel
  • Brown
  • Concord
  • Elizabeth
  • Lostcreek
  • Monroe
  • Newberry
  • Newton
  • Springcreek
  • Staunton
  • Union
  • Washington

Smaller Unincorporated Communities

These are even smaller places that don't have their own city or village government:

See also

Kids robot.svg In Spanish: Condado de Miami (Ohio) para niños

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