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Miami County, Indiana
Miami County courthouse in Peru, Indiana
Map of Indiana highlighting Miami County
Location in the state of Indiana
Map of the U.S. highlighting Indiana
Indiana's location in the U.S.
Founded 1834
Named for Miami tribe
Seat Peru
Largest city Peru
 - Total
 - Land
 - Water

377.39 sq mi (977 km²)
373.84 sq mi (968 km²)
3.55 sq mi (9 km²), 0.94%
 - (2010)
 - Density

98/sq mi (37.93/km²)
Congressional district 2nd
Time zone Eastern: UTC-5/-4
Footnotes: Indiana county number 52

Miami County is a county located in the U.S. state of Indiana. As of 2010, the population was 36,903.[1] The county seat is Peru.[2]


Indiana became a state on December 11, 1816, after being Indiana territory for sixteen years. Originally, Indiana was part of the Northwest Territory, which was made up of land gained by the British after the French and Indian War and organized into a territory after the American Revolution.[3] It was after the revolution that settlement in the area by Europeans really began. Knox territory was created in 1790 and included all of present day Indiana and areas of Illinois. Ancestry’s Red Book notes that jurisdiction in Knox territory changed due to Indian uprisings in the area from 1790-1810.[4] In 1800, Indiana became the name of a territory. Parts Michigan and Illinois both broke away from the territory before it became a state in 1816.

Miami County was formed in 1832 from Cass County and unorganized land.[4] It was named for the Miami, a Native American people, many of whom still live in this area.[5] In 1834, Miami County widened its western border taking some area from Cass County. In 1838 a small portion of unorganized territory was added to the northeastern border, but in 1844 that area was lost to Fulton County. Miami County has been its present shape since 1844.


According to the 2010 census, the county has a total area of 377.39 square miles (977.4 km2), of which 373.84 square miles (968.2 km2) (or 99.06%) is land and 3.55 square miles (9.2 km2) (or 0.94%) is water.[6]

Adjacent counties[]

Major highways[]

  • US 24.svg U.S. Route 24
  • US 31.svg U.S. Route 31
  • Indiana 16.svg State Road 16
  • Indiana 18.svg State Road 18
  • Indiana 19.svg State Road 19
  • Indiana 124.svg State Road 124
  • Indiana 218.svg State Road 218

Cities and towns[]


  • Amboy
  • Bunker Hill
  • Converse
  • Denver
  • Macy
  • Mexico
  • Peru


  • Bennetts Switch
  • Birmingham
  • Chili
  • Courter
  • Deedsville
  • Erie
  • Flora
  • Gilead
  • Loree
  • McGrawsville
  • Miami
  • New Santa Fe
  • North Grove
  • Peoria
  • Perrysburg
  • Pettysville
  • Santa Fe
  • South Peru
  • Stockdale
  • Wawpecong
  • Wells


  • Doyle
  • Leonda
  • Paw Paw
  • Wagoners Station


  • Allen Township
  • Butler Township
  • Clay Township
  • Deer Creek Township
  • Erie Township
  • Harrison Township
  • Jackson Township
  • Jefferson Township
  • Perry Township
  • Peru Township
  • Pipe Creek Township
  • Richland Township
  • Union Township
  • Washington Township

Climate and weather[]

Climate chart for Peru, Indiana
temperatures in °Cprecipitation totals in mm
source: The Weather Channel[7]

In recent years, average temperatures in Peru have ranged from a low of 14 °F (−10 °C) in January to a high of 83 °F (28 °C) in July, although a record low of −24 °F (−31.1 °C) was recorded in January 1985 and a record high of 103 °F (39 °C) was recorded in June 1988. Average monthly precipitation ranged from 1.89 inches (48 mm) in February to 4.23 inches (107 mm) in June.[7]


The county government is a constitutional body, and is granted specific powers by the Constitution of Indiana, and by the Indiana Code.

County Council: The county council is the legislative branch of the county government and controls all the spending and revenue collection in the county. Representatives are elected from county districts. The council members serve four-year terms. They are responsible for setting salaries, the annual budget, and special spending. The council also has limited authority to impose local taxes, in the form of an income and property tax that is subject to state level approval, excise taxes, and service taxes.[8][9]

Board of Commissioners: The executive body of the county is made of a board of commissioners. The commissioners are elected county-wide, in staggered terms, and each serves a four-year term. One of the commissioners, typically the most senior, serves as president. The commissioners are charged with executing the acts legislated by the council, collecting revenue, and managing the day-to-day functions of the county government.[8][9]

Court: The county maintains a small claims court that can handle some civil cases. The judge on the court is elected to a term of four years and must be a member of the Indiana Bar Association. The judge is assisted by a constable who is also elected to a four-year term. In some cases, court decisions can be appealed to the state level circuit court.[9]

County Officials: The county has several other elected offices, including sheriff, coroner, auditor, treasurer, recorder, surveyor, and circuit court clerk Each of these elected officers serves a term of four years and oversees a different part of county government. Members elected to county government positions are required to declare party affiliations and to be residents of the county.[9]

Miami County is part of Indiana's 5th congressional district; Indiana Senate district 18;[10] and Indiana House of Representatives districts 23, 24 and 32.[11]


Historical populations
Census Pop.
1840 3,048
1850 11,304 270.9%
1860 16,851 49.1%
1870 21,052 24.9%
1880 24,083 14.4%
1890 25,823 7.2%
1900 28,344 9.8%
1910 29,350 3.5%
1920 28,668 −2.3%
1930 29,032 1.3%
1940 27,926 −3.8%
1950 28,201 1.0%
1960 38,000 34.7%
1970 39,246 3.3%
1980 39,820 1.5%
1990 36,897 −7.3%
2000 36,082 −2.2%
2010 36,903 2.3%
Est. 2013 36,140 0.2%
U.S. Decennial Census[12]
1790-1960[13] 1900-1990[14]
1990-2000[15] 2010-2013[1]

As of the census[16] of 2000, there were 36,082 people, 13,716 households, and 9,806 families residing in the county. The population density was 96 people per square mile (37/km²). There were 15,299 housing units at an average density of 41 per square mile (16/km²). The racial makeup of the county was 93.69% White, 3.00% Black or African American, 1.08% Native American, 0.33% Asian, 0.02% Pacific Islander, 0.46% from other races, and 1.42% from two or more races. 1.32% of the population were Hispanic or Latino of any race. 25.8% were of German, 25.6% American, 9.8% Irish and 9.1% English ancestry according to Census 2000.

There were 13,716 households out of which 33.70% had children under the age of 18 living with them, 57.80% were married couples living together, 9.80% had a female householder with no husband present, and 28.50% were non-families. 24.60% of all households were made up of individuals and 10.10% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.00.

In the county the population was spread out with 25.90% under the age of 18, 8.10% from 18 to 24, 29.90% from 25 to 44, 23.30% from 45 to 64, and 12.90% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 103.10 males. For every 100 females age 18 and over, there were 102.00 males.

The median income for a household in the county was $39,184, and the median income for a family was $45,816. Males had a median income of $34,595 versus $21,311 for females. The per capita income for the county was $17,726. About 6.00% of families and 8.00% of the population were below the poverty line, including 10.90% of those under age 18 and 5.40% of those age 65 or over.

See also[]

  • National Register of Historic Places listings in Miami County, Indiana

Further reading[]

  • Bodurtha, Arthur Lawrence. History of Miami County, Indiana: A Narrative Account of Its Historical Progress, Its People and Its Principal Interests, Volume 1. 1865. Charleston: Nabu Press (2010). ISBN 1-148-41509-2
  • Coppernoll, Marilyn. Miami County, Indiana: A Pictorial History. Peru: Miami County Historical Society (1995). ISBN 0-89865-951-5
  • Kingman Brothers. Combination atlas map of Miami County, Indiana. Charleston: Nabu Press (2011). ISBN 1-175-64684-9


  1. ^ a b "Miami County QuickFacts". United States Census Bureau. Retrieved 2011-09-25. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ The Handybook for Genealogists 11th ed.. Logan, Utah: Everton Publishers. 2006. 
  4. ^ a b Alice Eichholz (1992). Ancestry’s Red Book: American State, County, & Town Sources. Salt Lake City, Utah: Ancestry, Inc.. pp. 198–211. 
  5. ^ De Witt Clinton Goodrich & Charles Richard Tuttle (1875). An Illustrated History of the State of Indiana. Indiana: R. S. Peale & co.. pp. 578. 
  6. ^ "Census 2010 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-10-10. 
  7. ^ a b "Monthly Averages for Peru, Indiana". The Weather Channel. Retrieved 2011-01-27. 
  8. ^ a b Indiana Code. "Title 36, Article 2, Section 3". Retrieved 2008-09-16. 
  9. ^ a b c d Indiana Code. "Title 2, Article 10, Section 2". Retrieved 2008-09-16. 
  10. ^ "Indiana Senate Districts". State of Indiana. Retrieved 2011-07-14. 
  11. ^ "Indiana House Districts". State of Indiana. Retrieved 2011-07-14. 
  12. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 10, 2014. 
  13. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 10, 2014. 
  14. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 10, 2014. 
  15. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved July 10, 2014. 
  16. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

Coordinates: 40°46′N 86°03′W / 40.77, -86.05

This page uses content from the English language Wikipedia. The original content was at Miami County, Indiana. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.