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Posey County, Indiana

Posey County, Indiana
Posey County Courthouse in Mount Vernon, Indiana
Map of Indiana highlighting Posey County
Location in the state of Indiana
Map of the United States highlighting Indiana
Indiana's location in the U.S.
Founded November 11, 1814
Named for General Thomas Posey
Seat Mount Vernon
Largest city Mount Vernon
 • Total 419.32 sq mi (1,086 km2)
 • Land 409.57 sq mi (1,061 km2)
 • Water 9.75 sq mi (25 km2), 2.33%
 • (2010) 25,910
 • Density 63/sq mi (24.49/km²)
Congressional district 8th
Time zone Central: UTC-6/-5


  • Indiana county number 65
  • Southernmost county in Indiana
  • Westernmost county in Indiana

Posey County is a county located in the southwestern corner of the U.S. state of Indiana. As of 2010, the population was 25,910.[1] The county seat is Mount Vernon.[2]

Posey County is part of the Evansville, INKY Metropolitan Statistical Area.


  • History 1
  • Geography 2
    • Adjacent Counties 2.1
    • Cities and towns 2.2
    • Townships 2.3
    • Unincorporated towns and places 2.4
  • Transportation 3
    • Major highways 3.1
    • Railroads 3.2
    • River Ports 3.3
  • Climate and weather 4
  • Government 5
  • Demographics 6
  • Education 7
  • Tourism & Recreation 8
  • See also 9
  • References 10
  • External links 11


Posey County was formed on November 11, 1814 from Gibson and Warrick counties. It was named for Revolutionary War Gen. Thomas Posey, who was then serving as Governor of the Indiana Territory.[3] Mount Vernon became the county seat in 1825.


According to the 2010 census, the county has a total area of 419.32 square miles (1,086.0 km2), of which 409.57 square miles (1,060.8 km2) (or 97.67%) is land and 9.75 square miles (25.3 km2) (or 2.33%) is water.[4] The lowest point in the state of Indiana is located on the Ohio River in Posey County, where it flows out of Indiana and into Illinois and Kentucky.

Adjacent Counties

Cities and towns


Unincorporated towns and places


Major highways


River Ports

Climate and weather

Mount Vernon, Indiana
Climate chart ()
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[5]

In recent years, average temperatures in Mount Vernon have ranged from a low of 23 °F (−5 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −21 °F (−29 °C) was recorded in January 1912 and a record high of 109 °F (43 °C) was recorded in July 1901. Average monthly precipitation ranged from 2.65 inches (67 mm) in September to 5.38 inches (137 mm) in May.[5]


Posey County Sheriff's Department
Agency overview
Legal personality Governmental: Government agency
Jurisdictional structure
Operations jurisdiction* County (US) of Posey in the state of Indiana, United States
Legal jurisdiction As per operations jurisdiction.
General nature
Operational structure
Agency executive Greg Oeth, Sheriff
Jails 1
* Divisional agency: Division of the country, over which the agency has usual operational jurisdiction.

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.[6][7]

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.[6][7]

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.[7]

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.[7]


As of the 2010 United States Census, there were 25,910 people, 10,171 households, and 7,442 families residing in the county.[13] The population density was 63.3 inhabitants per square mile (24.4/km2). There were 11,207 housing units at an average density of 27.4 per square mile (10.6/km2).[4] The racial makeup of the county was 97.2% white, 0.9% black or African American, 0.3% Asian, 0.2% American Indian, 0.4% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population.[13] In terms of ancestry, 43.6% were German, 13.6% were American, 11.6% were Irish, and 11.2% were English.[14]

Of the 10,171 households, 32.7% had children under the age of 18 living with them, 60.4% were married couples living together, 8.5% had a female householder with no husband present, 26.8% were non-families, and 23.3% of all households were made up of individuals. The average household size was 2.52 and the average family size was 2.97. The median age was 41.6 years.[13]

The median income for a household in the county was $47,697 and the median income for a family was $68,722. Males had a median income of $55,786 versus $32,747 for females. The per capita income for the county was $26,727. About 6.0% of families and 8.3% of the population were below the poverty line, including 12.2% of those under age 18 and 8.3% of those age 65 or over.[15]


Tourism & Recreation

See also


  1. ^ a b "Posey County QuickFacts".  
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ De Witt Clinton Goodrich & Charles Richard Tuttle (1875). An Illustrated History of the State of Indiana. Indiana: R. S. Peale & co. p. 570. 
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County".  
  5. ^ a b "Monthly Averages for Mount Vernon, Indiana". The Weather Channel. Retrieved 2011-01-27. 
  6. ^ a b  
  7. ^ a b c d  
  8. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  9. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 10, 2014. 
  10. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 10, 2014. 
  11. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 10, 2014. 
  12. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 10, 2014. 
  13. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data".  
  14. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates".  
  15. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates".  

External links

  • Posey County Government website
  • Posey County, Indiana at DMOZ

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