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Dearborn County, Indiana

Dearborn County, Indiana
Dearborn County Courthouse
Map of Indiana highlighting Dearborn County
Location in the state of Indiana
Map of the United States highlighting Indiana
Indiana's location in the U.S.
Founded 1803
Named for Dr. Henry Dearborn
Seat Lawrenceburg
Largest city Lawrenceburg
 • Total 307.42 sq mi (796 km2)
 • Land 305.03 sq mi (790 km2)
 • Water 2.38 sq mi (6 km2), 0.77%
 • (2010) 50,047
 • Density 164/sq mi (63.31/km²)
Congressional district 6th
Time zone Eastern: UTC-5/-4
Website .org.dearborncountywww
Footnotes: Indiana county number 15

Dearborn County is a county located in the U.S. state of Indiana. As of 2010, the population was 50,047.[1] The county seat and largest city is Lawrenceburg.[2]

Dearborn County is part of the Cincinnati-Middletown, OH-KY-IN Metropolitan Statistical Area.


  • History 1
  • Geography 2
    • Cities and towns 2.1
    • Townships 2.2
    • Unincorporated communities 2.3
    • Adjacent counties 2.4
    • Climate 2.5
  • Demographics 3
  • Government 4
  • Infrastructure 5
    • Major highways 5.1
  • Notable people 6
  • See also 7
  • References 8
  • External links 9


Dearborn County was formed in 1803.[3] It was named for Dr. Henry Dearborn (DR).[4][5] Dearborn was U.S. Secretary of War at the time the County was named. Early growth was centered around Lawrenceburg which was an important railroad junction connecting two of the regions major rail lines.[6]

Dearborn County originally included what is now Lawrenceburg was then designated as the county seat. However, from the start, a contention existed between the towns of Lawrenceburg and Rising Sun over that designation. The contention between the two towns was resolved in 1844 when the Indiana State legislature separated the portion of Dearborn County south of Laughery Creek and created the new county of Ohio on March 1, 1844, with Rising Sun designated as its county seat.[7]


According to the 2010 census, the county has a total area of 307.42 square miles (796.2 km2), of which 305.03 square miles (790.0 km2) (or 99.22%) is land and 2.38 square miles (6.2 km2) (or 0.77%) is water.[8] Part of the southeastern county line is formed by the Ohio River.

Dearborn County contains the Perfect North Slopes ski resort.[9]

Cities and towns


Unincorporated communities

Adjacent counties


Lawrenceburg, Indiana
Climate chart ()
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[10]

In recent years, average temperatures in Lawrenceburg have ranged from a low of 21 °F (−6 °C) in January to a high of 86 °F (30 °C) in July, although a record low of −25 °F (−32 °C) was recorded in January 1977 and a record high of 107 °F (42 °C) was recorded in July 1988. Average monthly precipitation ranged from 2.94 inches (75 mm) in September to 5.53 inches (140 mm) in May.[10]


Lawrenceburg on the Ohio River, from the air. AEP's Tanner's Creek Generating Station at lower-left.

As of the 2010 United States Census, there were 50,047 people, 18,743 households, and 13,773 families residing in the county.[16] The population density was 164.1 inhabitants per square mile (63.4/km2). There were 20,171 housing units at an average density of 66.1 per square mile (25.5/km2).[8] The racial makeup of the county was 97.5% white, 0.6% black or African American, 0.4% Asian, 0.2% American Indian, 0.1% Pacific islander, 0.3% from other races, and 1.0% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population.[16] In terms of ancestry, 46.5% were German, 19.2% were Irish, 11.4% were English, and 7.8% were American.[17]

Of the 18,743 households, 35.1% had children under the age of 18 living with them, 58.5% were married couples living together, 10.0% had a female householder with no husband present, 26.5% were non-families, and 22.0% of all households were made up of individuals. The average household size was 2.64 and the average family size was 3.07. The median age was 40.0 years.[16]

The median income for a household in the county was $47,697 and the median income for a family was $66,561. Males had a median income of $45,270 versus $33,353 for females. The per capita income for the county was $25,023. About 4.5% of families and 7.2% of the population were below the poverty line, including 8.5% of those under age 18 and 6.3% of those age 65 or over.[18]


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.[19][20]

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.[19][20]

Court: Dearborn County's courts consist of a Circuit Court (shared with Ohio County in the only such arrangement in the state[21]) and two Superior Courts. Judges are elected to six-year terms. Lawrenceburg and Aurora also have City Courts. Judges there serve four-year terms.

County Officials: The county has several other elected offices, including sheriff, prosecuting attorney, 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 a party affiliation and to be residents of the county.[20]

Dearborn County is part of Indiana's 6th congressional district; Indiana Senate district 43;[22] and Indiana House of Representatives districts 55 and 68.[23]


Major highways

Notable people

See also


  1. ^ a b "Dearborn County QuickFacts".  
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ History of Dearborn and Ohio Counties, Indiana. F. E. Weakley. 1885. p. 111. 
  4. ^ "Profile for Dearborn County, Indiana, IN". ePodunk. Retrieved August 24, 2012. 
  5. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 102. 
  6. ^ De Witt Clinton Goodrich & Charles Richard Tuttle (1875). An Illustrated History of the State of Indiana. Indiana: R. S. Peale & co. p. 553. 
  7. ^ "More About Dearborn County". Indiana County History Preservation Society. Retrieved 16 December 2012. 
  8. ^ a b "Population, Housing Units, Area, and Density: 2010 - County".  
  9. ^ "Neighborhoods". Cincinnati magazine. Retrieved 25 July 2014. 
  10. ^ a b "Monthly Averages for Lawrenceburg, Indiana". The Weather Channel. Retrieved 2011-01-27. 
  11. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  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" (PDF). United States Census Bureau. Retrieved July 10, 2014. 
  16. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data".  
  17. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates".  
  18. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates".  
  19. ^ a b  
  20. ^ a b c  
  21. ^
  22. ^ "Indiana Senate Districts". State of Indiana. Retrieved 2011-01-23. 
  23. ^ "Indiana House Districts". State of Indiana. Retrieved 2011-01-23. 
  24. ^ "John Whiteaker". Find A Grave. Retrieved August 25, 2012. 

External links

  • Official Website

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