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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 county located in the U.S. state of Ohio. As of the 2020 census, the population was 108,774. Its county seat is Troy. The county is named in honor of the Miami people. Miami County is part of the Dayton, OH Metropolitan Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 410 square miles (1,100 km2), of which 407 square miles (1,050 km2) is land and 3.1 square miles (8.0 km2) (0.8%) is water.

Adjacent counties

Demographics

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 >

2010 census

As of the 2010 United States Census, there were 102,506 people, 40,917 households, and 28,626 families living in the county. The population density was 252.1 inhabitants per square mile (97.3/km2). There were 44,256 housing units at an average density of 108.8 units per square mile (42.0 units/km2). The racial makeup of the county was 94.4% white, 2.0% black or African American, 1.2% Asian, 0.2% American Indian, 0.5% from other races, and 1.8% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 34.5% were German, 13.5% were Irish, 10.2% were English, and 9.8% were American.

Of the 40,917 households, 32.3% had children under the age of 18 living with them, 54.7% were married couples living together, 10.5% had a female householder with no husband present, 30.0% were non-families, and 25.3% of all households were made up of individuals. The average household size was 2.48 and the average family size was 2.95. The median age was 40.6 years.

The median income for a household in the county was $51,507 and the median income for a family was $61,190. Males had a median income of $46,133 versus $32,699 for females. The per capita income for the county was $25,006. About 7.0% of families and 9.5% of the population were below the poverty line, including 14.0% of those under age 18 and 4.8% of those age 65 or over.

Education

Public school districts

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

Miscellaneous education

The Western Ohio Japanese Language School (オハイオ西部日本語学校 Ohaio Seibu Nihongo Gakkō) is a supplementary weekend Japanese school in unincorporated Miami County, near Troy. It started in April 1988.

Communities

Map of Miami County Ohio With Municipal and Township Labels
Municipalities and townships of Miami County

Cities

Villages

Townships

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

Unincorporated communities

See also

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

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