World Library  
Flag as Inappropriate
Email this Article

Miami County, Ohio

Miami County, Ohio
County courthouse in Troy
Seal of Miami County, Ohio
Map of Ohio highlighting Miami County
Location in the state of Ohio
Map of the United States highlighting Ohio
Ohio's location in the U.S.
Founded March 1, 1807[1]
Named for Miami people
Seat Troy
Largest city Troy*
 • Total 410 sq mi (1,062 km2)
 • Land 407 sq mi (1,054 km2)
 • Water 3.1 sq mi (8 km2), 0.8%
 • (2010) 102,506
 • Density 252/sq mi (97/km²)
Congressional district 8th
Time zone Eastern: UTC-5/-4
Footnotes: *Based on population just within the county.[2]

Miami County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 102,506.[3] Its county seat is Troy.[4] The county is named for an Indian word of disputed meaning.[5]

Miami County is part of the Dayton, OH Metropolitan Statistical Area.


  • Geography 1
    • Adjacent counties 1.1
  • Demographics 2
  • Government 3
    • Current Officials 3.1
  • Education 4
    • Public school districts 4.1
    • Miscellaneous education 4.2
  • Communities 5
    • Cities 5.1
    • Villages 5.2
    • Townships 5.3
    • Unincorporated communities 5.4
  • See also 6
  • References 7
  • External links 8


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.[6]

Adjacent counties


As of the census[12] of 2000, there were 98,868 people, 38,437 households, and 27,943 families residing in the county. The population density was 243 people per square mile (94/km²). There were 40,554 housing units at an average density of 100 per square mile (38/km²). The racial makeup of the county was 95.78% White, 1.95% Black or African American, 0.19% Native American, 0.79% Asian, 0.01% Pacific Islander, 0.28% from other races, and 1.00% from two or more races. 0.73% of the population were Hispanic or Latino of any race.

There were 38,437 households out of which 33.30% had children under the age of 18 living with them, 59.50% were married couples living together, 9.70% had a female householder with no husband present, and 27.30% were non-families. 23.20% of all households were made up of individuals and 9.50% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.99.

In the county, the population was spread out with 25.90% under the age of 18, 7.60% from 18 to 24, 28.40% from 25 to 44, 24.80% from 45 to 64, and 13.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.20 males. For every 100 females age 18 and over, there were 92.40 males.

The median income for a household in the county was $44,109, and the median income for a family was $51,169. Males had a median income of $37,357 versus $25,493 for females. The per capita income for the county was $21,669. About 5.10% of families and 6.70% of the population were below the poverty line, including 9.10% of those under age 18 and 5.60% of those age 65 or over.


Current Officials

  • Board of Commissioners:
    • John "Bud" O'Brien (R)
    • John "Jack" Evans (R)
    • Dick Cultice (R)
  • County Auditor: Matthew W. Gearhardt (R)
  • Clerk of Courts: Jan Mottinger (R)
  • County Coroner: Steve Huffman, M.D. (R)
  • County Engineer: Paul Huelskamp (R)
  • County Prosecutor: Anthony E. Kendell (R)
  • County Recorder: Jessica Lopez (R)
  • Sheriff: Charles Cox, Jr. (R)
  • County Treasurer: James Stubbs (R)

Miami County Court of Common Pleas

  • Judges:
    • Christopher Gee (R)
    • Robert Lindeman (R)
    • W. McGregor Dixon, Jr. (R)

Municipal Court

  • Judges:
    • Elizabeth Gutmann (R)
    • Gary Nasal (R)
  • Magistrates:
    • Gary Zuhl


Public school districts

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.[13]


Municipalities and townships of Miami County




Unincorporated communities

See also


  1. ^ "Ohio County Profiles: Miami County" (PDF). Ohio Department of Development. Retrieved 2007-04-28. 
  2. ^ "Miami County data (population)".  
  3. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved February 9, 2015. 
  4. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  5. ^ "Miami County data".  
  6. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved February 9, 2015. 
  7. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  8. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved February 9, 2015. 
  9. ^ "Historical Census Browser". University of Virginia Library. Retrieved February 9, 2015. 
  10. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 9, 2015. 
  11. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 9, 2015. 
  12. ^ "American FactFinder".  
  13. ^ "本校概要" (Archive). Western Ohio Japanese Language School. Retrieved on May 11, 2014. "所在地 2801 NORTH STRINGTOWN RD. TROY, OHIO 45373"

External links

  • County website

This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Hawaii eBook Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.