Editing Miami County, Ohio

{{short description|County in Ohio, United States}}
{{Use mdy dates|date=April 2024}}
{{Infobox U.S. county
 | county               = Miami County
 | state                = Ohio
 | flag                 = Flag of Miami County, Ohio.png
 | seal                 = MiamiCountyOhioSeal.png
 | founded year         = 1807<ref name=odod>{{cite web|url=http://www.odod.state.oh.us/research/FILES/S0/Miami.pdf |title=Ohio County Profiles: Miami County |access-date=April 28, 2007 |publisher=Ohio Department of Development |format=PDF |url-status=dead |archive-url=https://web.archive.org/web/20070621235006/http://www.odod.state.oh.us/research/FILES/S0/Miami.pdf |archive-date=June 21, 2007 }}</ref>
 | founded date         = March 1
 | seat wl              = Troy
 | largest city         = Troy*
 | area_total_sq_mi     = 410
 | area_land_sq_mi      = 407
 | area_water_sq_mi     = 3.1
 | area percentage      = 0.8%
 | census yr            = 2020
 | pop                  = 108774
 | pop_est_as_of        = 2024
 | population_est       = 
 | density_sq_mi        = auto
 | time zone            = Eastern
 | web                  = www.MiamiCountyOhio.gov
 | named for            = [[Miami people]]
 | ex image             = Troy-ohio-courthouse.jpg
 | ex image cap         = County courthouse in Troy
 | district             = 8th
 | district2            = 15th}}

'''Miami County''' is a [[County (United States)|county]] located in the [[U.S. state]] of [[Ohio]]. As of the [[2020 United States census|2020 census]], the population was 108,774.<ref name="2020 census">[https://www.census.gov/library/visualizations/interactive/2020-population-and-housing-state-data.html 2020 census]</ref> Its [[county seat]] is [[Troy, Ohio|Troy]].<ref name="GR6">{{cite web|url=http://www.naco.org/Counties/Pages/FindACounty.aspx |access-date=June 7, 2011 |title=Find a County |publisher=National Association of Counties |url-status=dead |archive-url=https://web.archive.org/web/20110531210815/http://www.naco.org/Counties/Pages/FindACounty.aspx |archive-date=May 31, 2011 }}</ref> The county is [[List of Ohio county name etymologies|named]]  in honor of the [[Miami people]].<ref>{{cite web|url=https://ohiohistorycentral.org/w/Miami_County |website=Ohio History Central |title=Miami County|access-date=March 18, 2020}}</ref> Miami County is part of the [[Dayton, Ohio|Dayton]], OH [[Dayton metropolitan area|Metropolitan Statistical Area]].

==Geography==
According to the [[U.S. Census Bureau]], the county has a total area of {{convert|410|sqmi}}, of which {{convert|407|sqmi}} is land and {{convert|3.1|sqmi}} (0.8%) is water.<ref name="GR1">{{cite web|url=https://www.census.gov/geo/maps-data/data/docs/gazetteer/counties_list_39.txt|publisher=United States Census Bureau|access-date=February 9, 2015|date=August 22, 2012|title=2010 Census Gazetteer Files|url-status=dead|archive-url=https://web.archive.org/web/20140504223453/http://www.census.gov/geo/maps-data/data/docs/gazetteer/counties_list_39.txt|archive-date=May 4, 2014}}</ref>

===Adjacent counties===
* [[Shelby County, Ohio|Shelby County]] (north)
* [[Champaign County, Ohio|Champaign County]] (northeast)
* [[Clark County, Ohio|Clark County]] (southeast)
* [[Montgomery County, Ohio|Montgomery County]] (south)
* [[Darke County, Ohio|Darke County]] (west)

==Demographics==
{{US Census population
|1810= 3941
|1820= 8851
|1830= 12807
|1840= 19688
|1850= 24999
|1860= 29959
|1870= 32740
|1880= 36158
|1890= 39754
|1900= 43105
|1910= 45047
|1920= 48428
|1930= 51301
|1940= 52632
|1950= 61309
|1960= 72901
|1970= 84342
|1980= 90381
|1990= 93182
|2000= 98868
|2010= 102506
|2020= 108774
|estyear=
|estimate=
|estref=
|align-fn=center
|footnote=U.S. Decennial Census<ref>{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=U.S. Decennial Census|publisher=United States Census Bureau|access-date=February 9, 2015}}</ref><br />1790-1960<ref>{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|access-date=February 9, 2015}}</ref> 1900-1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/oh190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|editor-last=Forstall|editor-first=Richard L.|date=March 27, 1995|access-date=February 9, 2015}}</ref><br />1990-2000<ref>{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-url=https://web.archive.org/web/20100327165705/http://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-date=March 27, 2010 |url-status=live|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|date=April 2, 2001|access-date=February 9, 2015}}</ref> 2020 <ref name="2020 census">[https://www.census.gov/library/visualizations/interactive/2020-population-and-housing-state-data.html 2020 census]</ref>>
}}

===2000 census===
As of the [[census]]<ref name="GR2">{{cite web|url=https://www.census.gov |publisher=[[United States Census Bureau]] |access-date=January 31, 2008 |title=U.S. Census website }}</ref> of 2000, there were 98,868 people, 38,437 households, and 27,943 families living in the county. The [[population density]] was {{convert|243|/mi2|/km2|disp=preunit|people&nbsp;|people|}}. There were 40,554 housing units at an average density of {{convert|100|/mi2|/km2|adj=pre|units&nbsp;}}. The racial makeup of the county was 95.78% [[Race (United States Census)|White]], 1.95% [[Race (United States Census)|Black]] or [[Race (United States Census)|African American]], 0.19% [[Race (United States Census)|Native American]], 0.79% [[Race (United States Census)|Asian]], 0.01% [[Race (United States Census)|Pacific Islander]], 0.28% from [[Race (United States Census)|other races]], and 1.00% from two or more races. 0.73% of the population were [[Race (United States Census)|Hispanic]] or [[Race (United States Census)|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 [[Marriage|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.

===2010 census===
As of the [[2010 United States census]], there were 102,506&nbsp;people, 40,917&nbsp;households, and 28,626&nbsp;families living in the county.<ref name="census-dp1">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/0500000US39109
  |title=DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data
  |access-date=December 27, 2015
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213034034/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/0500000US39109
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref> The population density was {{convert|252.1|PD/sqmi}}. There were 44,256 housing units at an average density of {{convert|108.8|/mi2|/km2|disp=preunit|units&nbsp;|units|}}.<ref name="census-density">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/GCTPH1.CY07/0500000US39109
  |access-date=December 27, 2015
  |title=Population, Housing Units, Area, and Density: 2010 - County
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213233414/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/GCTPH1.CY07/0500000US39109
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref> 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.<ref name="census-dp1"/> In terms of ancestry, 34.5% were [[Germans|German]], 13.5% were [[Irish people|Irish]], 10.2% were [[English people|English]], and 9.8% were [[Americans|American]].<ref name="census-dp2">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP02/0500000US39109
  |title=DP02 Selected Social Characteristics in the United States – 2006-2010 American Community Survey 5-Year Estimates
  |access-date=December 27, 2015
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213022234/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP02/0500000US39109
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref>

Of the 40,917&nbsp;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.<ref name="census-dp1"/>

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.<ref name="census-dp3">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0500000US39109
  |title=DP03 Selected Economic Characteristics – 2006-2010 American Community Survey 5-Year Estimates
  |access-date=December 27, 2015
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213033249/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0500000US39109
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref>

==Politics==
Miami County is a Republican stronghold county in presidential elections, with Democrats winning the county only three times in [[1912 United States presidential election in Ohio|1912]], [[1936 United States presidential election in Ohio|1936]], and [[1964 United States presidential election in Ohio|1964]].
{{PresHead|place=Miami County, Ohio|source=<ref>{{cite web|url=http://uselectionatlas.org/RESULTS|title=Dave Leip's Atlas of U.S. Presidential Elections|first=David|last=Leip|website=uselectionatlas.org|access-date=April 7, 2018}}</ref>}}
<!-- PresRow should be {{PresRow|Year|Winning party|GOP vote #|Dem vote #|3rd party vote #|State}} -->
{{PresRow|2024|Republican|42,677|15,969|792|Ohio}}
{{PresRow|2020|Republican|41,371|15,663|1,043|Ohio}}
{{PresRow|2016|Republican|37,079|13,120|2,895|Ohio}}
{{PresRow|2012|Republican|34,606|16,383|1,025|Ohio}}
{{PresRow|2008|Republican|33,417|18,372|1,126|Ohio}}
{{PresRow|2004|Republican|33,992|17,606|162|Ohio}}
{{PresRow|2000|Republican|26,037|15,584|1,220|Ohio}}
{{PresRow|1996|Republican|19,509|15,540|4,956|Ohio}}
{{PresRow|1992|Republican|19,741|12,547|10,718|Ohio}}
{{PresRow|1988|Republican|24,915|11,138|381|Ohio}}
{{PresRow|1984|Republican|26,300|9,695|320|Ohio}}
{{PresRow|1980|Republican|19,928|12,893|2,987|Ohio}}
{{PresRow|1976|Republican|18,686|13,074|653|Ohio}}
{{PresRow|1972|Republican|21,226|9,121|665|Ohio}}
{{PresRow|1968|Republican|16,997|13,228|3,352|Ohio}}
{{PresRow|1964|Democratic|12,985|19,379|0|Ohio}}
{{PresRow|1960|Republican|22,151|11,770|0|Ohio}}
{{PresRow|1956|Republican|20,135|9,229|0|Ohio}}
{{PresRow|1952|Republican|19,525|10,462|0|Ohio}}
{{PresRow|1948|Republican|13,100|10,066|89|Ohio}}
{{PresRow|1944|Republican|14,751|10,476|0|Ohio}}
{{PresRow|1940|Republican|14,725|11,799|0|Ohio}}
{{PresRow|1936|Democratic|11,343|12,754|1,189|Ohio}}
{{PresRow|1932|Republican|12,157|10,677|568|Ohio}}
{{PresRow|1928|Republican|16,063|5,867|136|Ohio}}
{{PresRow|1924|Republican|11,851|5,296|1,754|Ohio}}
{{PresRow|1920|Republican|13,122|8,076|572|Ohio}}
{{PresRow|1916|Republican|5,772|5,582|519|Ohio}}
{{PresRow|1912|Democratic|3,615|4,310|3,200|Ohio}}
{{PresRow|1908|Republican|6,558|5,369|288|Ohio}}
{{PresRow|1904|Republican|6,793|3,646|440|Ohio}}
{{PresRow|1900|Republican|6,197|5,127|181|Ohio}}
{{PresRow|1896|Republican|6,051|5,387|65|Ohio}}
{{PresRow|1892|Republican|5,110|4,271|588|Ohio}}
{{PresRow|1888|Republican|5,312|4,258|446|Ohio}}
{{PresRow|1884|Republican|5,273|4,084|134|Ohio}}
{{PresRow|1880|Republican|4,928|3,604|64|Ohio}}
{{PresRow|1876|Republican|4,388|3,509|23|Ohio}}
{{PresRow|1872|Republican|3,753|2,910|35|Ohio}}
{{PresRow|1868|Republican|3,958|2,659|0|Ohio}}
{{PresRow|1864|Republican|3,821|2,348|0|Ohio}}
{{PresRow|1860|Republican|3,431|2,337|78|Ohio}}
{{PresRow|1856|Republican|3,171|1,988|159|Ohio}}
|}
{{U.S. SenHead|place=Miami County, Ohio|Seat=1|source=<ref>{{cite news |title=2024 Senate Election (Official Returns) |website=Commonwealth of Texas by county |date=November 5, 2024 |access-date=December 5, 2024 |url=https://www.nbcnews.com/politics/2024-elections/ohio-senate-results}}</ref>}}
<!-- U.S. SenRow should be {{U.S. SenRow|Year|Winning party|GOP vote #|Dem vote #|3rd party vote #|State}} -->
{{U.S. SenRow|2024|Republican|39,225|17,525|2,039|Ohio}}
{{U.S. SenFoot}}

==Government==
{{See also|Ohio county government}}

===Current officials===
* '''Board of Commissioners''':
** Ted Mercer (R)
** Wade Westfall (R)
** Greg Simmons (R)
* '''County Auditor''': Matthew W. Gearhardt (R)
* '''Clerk of Courts''': Shawn Peeples (R)
* '''County Coroner''': William N. Ginn, M.D. (R)
* '''County Engineer''': Paul Huelskamp (R)
* '''County Prosecutor''': Paul Watkins (R)
* '''County Recorder''': David Norman *appointed (R)<ref>https://www.daytondailynews.com/local/miami-county-recorder-lopez-resigns-odd-november-election-to-decide-replacement/SNZAFNEBZNAYFKL76JWIANTDXQ/</ref>
* '''Sheriff''': Dave Duchak (R)
* '''County Treasurer''': James Stubbs (R)

'''Miami County Court of Common Pleas'''
* Judges:
** Stacy Wall (R)
** Jeannine Pratt (R)
** Scott Altenburger(R)
'''Municipal Court'''
* Judges:
** Samuel Huffman(R)
** Anthony E. Kendell (R)
* Magistrates:
** James Utrecht

==Education==

===Public school districts===
* [[Bethel Local Schools]]
** [[Bethel High School (Ohio)|Bethel High School]], Bethel Township (the Bees)
* [[Bradford Schools]]
** [[Bradford High School (Ohio)|Bradford High School]], Bradford (the Railroaders)
* [[Covington Exempted Village School District]]
** [[Covington High School (Ohio)|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 (Ohio)|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, Ohio)|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 [[Hoshuko|supplementary weekend Japanese school]] in [[unincorporated area|unincorporated]] Miami County, near [[Troy, Ohio|Troy]]. It started in April 1988.<ref>"[http://wohjpschool.com/gaiyou/gaiyou/gaiyou.html 本校概要]" ([https://web.archive.org/web/20131207082203/http://wohjpschool.com/gaiyou/gaiyou/gaiyou.html Archive]). Western Ohio Japanese Language School. Retrieved on May 11, 2014.</ref>

==Communities==
[[Image:Map of Miami County Ohio With Municipal and Township Labels.PNG|thumb|right|275px|Municipalities and townships of Miami County]]

===Cities===
* [[Huber Heights, Ohio|Huber Heights]] (part)
* [[Piqua, Ohio|Piqua]]
* [[Tipp City, Ohio|Tipp City]]
* [[Troy, Ohio|Troy]] (county seat)
* [[Union, Ohio|Union]] (part)

===Villages===
{{div col}}
* [[Bradford, Ohio|Bradford]] (part)
* [[Casstown, Ohio|Casstown]]
* [[Covington, Ohio|Covington]]
* [[Fletcher, Ohio|Fletcher]]
* [[Laura, Ohio|Laura]]
* [[Ludlow Falls, Ohio|Ludlow Falls]]
* [[Pleasant Hill, Ohio|Pleasant Hill]]
* [[Potsdam, Ohio|Potsdam]]
* [[West Milton, Ohio|West Milton]]
{{div col end}}

===Townships===
{{div col|colwidth=22em}}
* [[Bethel Township, Miami County, Ohio|Bethel]]
* [[Brown Township, Miami County, Ohio|Brown]]
* [[Concord Township, Miami County, Ohio|Concord]]
* [[Elizabeth Township, Miami County, Ohio|Elizabeth]]
* [[Lostcreek Township, Miami County, Ohio|Lostcreek]]
* [[Monroe Township, Miami County, Ohio|Monroe]]
* [[Newberry Township, Miami County, Ohio|Newberry]]
* [[Newton Township, Miami County, Ohio|Newton]]
* [[Springcreek Township, Miami County, Ohio|Springcreek]]
* [[Staunton Township, Miami County, Ohio|Staunton]]
* [[Union Township, Miami County, Ohio|Union]]
* [[Washington Township, Miami County, Ohio|Washington]]
{{div col end}}

===Unincorporated communities===
* [[Alcony, Ohio|Alcony]]
* [[Bloomer, Ohio|Bloomer]]
* [[Brandt, Ohio|Brandt]]
* [[Conover, Ohio|Conover]]
* [[Frederick, Ohio|Frederick]]
* [[Garland, Ohio|Garland]]
* [[Ginghamsburg, Ohio|Ginghamsburg]]
* [[Grayson, Ohio|Grayson]]
* [[Kessler, Ohio|Kessler]]
* [[Lena, Ohio|Lena]]
* [[Phoneton, Ohio|Phoneton]]
* [[Polo, Ohio|Polo]]
* [[Rossville, Ohio|Rossville]]
* [[West Charleston, Ohio|West Charleston]]

==See also==
* [[National Register of Historic Places listings in Miami County, Ohio]]

==References==
{{reflist}}

==External links==
{{Wikivoyage|Miami County (Ohio)}}
* [http://www.MiamiCountyOhio.gov County website]
* [https://archive.org/details/centennialhistor00harb/page/38 The 1909 Centennial History of Piqua, Troy and Miami County]
{{Geographic Location
|Centre    = Miami County, Ohio
|North     = [[Shelby County, Ohio|Shelby County]]
|Northeast = [[Champaign County, Ohio|Champaign County]]
|East      =
|Southeast = [[Clark County, Ohio|Clark County]]
|South     = [[Montgomery County, Ohio|Montgomery County]]
|Southwest =
|West      = [[Darke County, Ohio|Darke County]]
|Northwest =
}}
{{Miami County, Ohio}}
{{Ohio}}
,
{{coord|40.05|-84.23|display=title|type:adm2nd_region:US-OH_source:UScensus1990}}

{{authority control}}

[[Category:Miami County, Ohio| ]]
[[Category:1807 establishments in Ohio]]
[[Category:Populated places established in 1807]]