List of counties in Indiana

There are 92 counties in the U.S. state of Indiana. Each county serves as the local level of government within its borders. Although Indiana was organized into the United States since the Northwest Ordinance in 1787, its land was not always available for settlement. The Vincennes Tract, Clark's Grant and an area known as "The Gore" in southeastern Indiana (resulting from the Treaty of Greenville 1795) existed during the Northwest Territory. The remainder of Indiana land was acquired by Indian Removal Act and purchases by treaty between 1804 and 1840. The largest purchase (called "Delaware New Purchase" or just "New Purchase") resulted from the Treaty of St. Mary's (1818) which acquired about 1/3 of the state in the central portion. All or most of 35 counties were eventually carved from the area. The oldest counties are generally in the south near the Ohio River, whereas newer ones were in the north in territory acquired later. Many of the final counties were formed subsequent to the acquisition and break up of the Big Miami Reserve (encompassing present day Howard County and parts of surrounding counties) between 1834 and 1840. The oldest and newest counties in Indiana are Knox County, created in 1790, and Newton County, created in 1859.[1]

Counties of Indiana
LocationState of Indiana
Number92
Populations6,004 (Ohio) – 968,460 (Marion)
Areas86 square miles (220 km2) (Ohio) – 657 square miles (1,700 km2) (Allen)
Government
Subdivisions

As of the 2023 Census estimates, the population of Indiana was 6,862,199, the average population of Indiana's 92 counties is 74,589, with Marion County as the most populous (968,460), and Ohio County (6,004) the least. 54 counties have 30,000 or more people; 17 counties have populations exceeding 100,000, five of which exceed 250,000; and only five counties have fewer than 10,000 people. The average land area is 396 square miles (1,030 km2).[2] The largest county is Allen (657 sq. mi., 1,702 km2) and the smallest is Ohio (86 sq. mi., 223 km2).[3] According to the Constitution of Indiana, no county may be created of less than 400 square miles (1,000 km2), nor may any county smaller than this be further reduced in size, which precludes any new counties.[4]

County government in Indiana consists of two bodies, the county council and the commissioners.

Many Indiana counties are named for United States Founding Fathers and personalities of the American Revolutionary War, the War of 1812 and Battle of Tippecanoe; early leaders of Indiana Territory and Indiana, as well as surrounding states like Michigan and Kentucky; plus Native American tribes and geographical features.

The Federal Information Processing Standard (FIPS) code, which is used by the United States government to uniquely identify states and counties, is provided with each entry. Indiana's code is 18, which when combined with any county code would be written as 18XXX. The FIPS code for each county links to census data for that county.[5]

In Indiana, the most commonly seen number associated with counties is the state county code, which is a sequential number based on the alphabetical order of the county.It has been used on automobile license plates since 1963. It first held a prominent place on the left side of the plates as part of the license plate number until the year 2008 when it was moved above the serial number and 2012 when it was moved to the lower right corner. On license plates, county codes 93, 95, and 97-99 were also used for Marion County in addition to 49. 94 and 96 were used for Lake County in addition to 45. These additional numbers ceased to be used as of 2008.[6] In addition these codes are also used by INDOT for structure IDs on objects such as bridges and overpasses.


Counties

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County
FIPS code[7]County seat[3][8]Est.[3][8]OriginEtymology[9]BMV Number
[10]
Population[11]Area[3][12]Map
Adams County001DecaturFeb 7, 1836Adams New PurchaseU.S. President John Quincy Adams136,288339 sq mi
(878 km2)
Allen County003Fort WayneDec 12, 1823Delaware New PurchaseCol. John Allen, Kentucky state senator[13]2394,545657 sq mi
(1,702 km2)
Bartholomew County005ColumbusJan 8, 1821Jackson County and Delaware New PurchasesLt. Col. Joseph Bartholomew, a hero of the Battle of Tippecanoe[13]384,003407 sq mi
(1,054 km2)
Benton County007FowlerFeb 18, 1840Jasper CountyThomas H. Benton, U.S. Senator from Missouri48,729406 sq mi
(1,052 km2)
Blackford County009Hartford CityFeb 15, 1838Jay CountyJudge Isaac Blackford, Speaker of the Indiana House of Representatives and Chief Justice of the Indiana Supreme Court511,893165 sq mi
(427 km2)
Boone County011LebanonJan 29, 1830Adams and Wabash New PurchasesFrontiersman Daniel Boone676,120423 sq mi
(1,096 km2)
Brown County013NashvilleFeb 3, 1836Bartholomew County
Jackson County
Monroe County
General Jacob Brown, hero of the War of 1812[13]715,653312 sq mi
(808 km2)
Carroll County015DelphiJan 17, 1828Adams and Wabash New PurchasesCharles Carroll, signer of the Declaration of Independence820,525372 sq mi
(963 km2)
Cass County017LogansportDec 18, 1828Non-county AreaGen. Lewis Cass, Governor of Michigan Territory and U.S. Secretary of State937,666412 sq mi
(1,067 km2)
Clark County019JeffersonvilleFeb 3, 1801Knox CountyGeneral George Rogers Clark, American Revolutionary War hero10125,467373 sq mi
(966 km2)
Clay County021BrazilFeb 12, 1825Owen County
Putnam County
Sullivan County
Vigo County
U.S. Speaker of the House Henry Clay1126,460358 sq mi
(927 km2)
Clinton County023FrankfortJan 29, 1830Adams and Wabash New PurchasesDeWitt Clinton, Governor of New York1232,730405 sq mi
(1,049 km2)
Crawford County025EnglishJan 29, 1818Orange County
Harrison County
Perry County
Col. William Crawford, surveyor of the Midwest and hero of the Indian Wars1310,438306 sq mi
(793 km2)
Daviess County027WashingtonFeb 2, 1818Knox CountyCol. Joseph Hamilton Daveiss,[13] hero of the Battle of Tippecanoe1433,656429 sq mi
(1,111 km2)
Dearborn County029LawrenceburgMar 7, 1803Clark County, IN; Hamilton County, OHU.S. Secretary of War Henry Dearborn1551,215305 sq mi
(790 km2)
Decatur County031GreensburgDec 12, 1821Delaware New PurchaseCommodore Stephen Decatur, hero of the War of 18121626,399373 sq mi
(966 km2)
DeKalb County033AuburnFeb 7, 1835Non-county AreaJohann de Kalb, German noble who trained colonial soldiers for the American Revolutionary War1744,198363 sq mi
(940 km2)
Delaware County035MuncieJan 26, 1827[14]Delaware New PurchaseDelaware Native American people18112,321392 sq mi
(1,015 km2)
Dubois County037JasperDec 20, 1817Perry County
Pike County
Toussaint Dubois,[13] hero of the Battle of Tippecanoe1943,546427 sq mi
(1,106 km2)
Elkhart County039GoshenJan 29, 1830Non-county AreaDisputed, but possibly the Elkhart Native American people20206,409463 sq mi
(1,199 km2)
Fayette County041ConnersvilleJan 29, 1818Franklin Wayne County and Non-county AreaMarquis de la Fayette, French noble who trained colonial soldiers in the American Revolutionary War2123,362215 sq mi
(557 km2)
Floyd County043New AlbanyJan 2, 1819Clark and Harrison CountiesEither John Floyd, a War of 1812 hero and Governor of Virginia, or early settler and state legislator Davis Floyd[13]2280,809148 sq mi
(383 km2)
Fountain County045CovingtonDec 20, 1825Montgomery County and Wabash New PurchaseMajor James Fontaine, a hero of the American Revolutionary War2316,731396 sq mi
(1,026 km2)
Franklin County047BrookvilleFeb 1, 1811Clark County
Dearborn County
Knox County
Writer, orator, scholar, and founding father Benjamin Franklin2423,096384 sq mi
(995 km2)
Fulton County049RochesterFeb 7, 1836Non-county AreaRobert Fulton, developer of the steamboat2520,358368 sq mi
(953 km2)
Gibson County051PrincetonApr 1, 1813Knox CountyJohn Gibson, secretary of the Indiana Territory[13]2632,904487 sq mi
(1,261 km2)
Grant County053MarionFeb 10, 1831Madison County, New Purchase and un-organizedCaptains Samuel and Moses Grant, former American soldiers and early settlers2766,200414 sq mi
(1,072 km2)
Greene County055BloomfieldJan 5, 1821Sullivan County
Non-county Area
Gen. Nathanael Greene, hero of the American Revolutionary War2831,196543 sq mi
(1,406 km2)
Hamilton County057NoblesvilleJan 8, 1823Delaware New PurchaseAlexander Hamilton, first Secretary of the Treasury and founding father29371,645394 sq mi
(1,020 km2)
Hancock County059GreenfieldMar 1, 1828Madison CountyJohn Hancock, first signer of the Declaration of Independence3086,166306 sq mi
(793 km2)
Harrison County061CorydonDec 1, 1808Clark and Knox CountyWilliam Henry Harrison, governor of Indiana Territory and U.S. President3140,006485 sq mi
(1,256 km2)
Hendricks County063DanvilleDec 20, 1823[15]Delaware and Wabash New PurchaseGovernor of Indiana William Hendricks[13]32186,387407 sq mi
(1,054 km2)
Henry County065New CastleDec 31, 1821Delaware New PurchasePatrick Henry, attorney, orator, and founding father3348,929392 sq mi
(1,015 km2)
Howard County067KokomoJan 15, 1844[16]un-organizedGen. Tilghman Howard, a U.S. Representative from Indiana3483,831293 sq mi
(759 km2)
Huntington County069HuntingtonFeb 2, 1832Adams New Purchase and un-organizedSamuel Huntington, signer the Declaration of Independence3536,781383 sq mi
(992 km2)
Jackson County071BrownstownJan 1, 1816Clark, Jefferson and WashingtonU.S. President Andrew Jackson3646,460509 sq mi
(1,318 km2)
Jasper County073RensselaerFeb 7, 1835Wabash New PurchaseSgt. William Jasper, hero of the American Revolutionary War3733,535560 sq mi
(1,450 km2)
Jay County075PortlandFeb 7, 1835Adams New PurchaseJohn Jay, first Chief Justice of the United States Supreme Court3820,032384 sq mi
(995 km2)
Jefferson County077MadisonNov 23, 1810Clark, Dearborn and Knox CountyU.S. President Thomas Jefferson3933,056361 sq mi
(935 km2)
Jennings County079VernonDec 27, 1816Jackson and Jefferson CountiesJonathan Jennings, first Governor of Indiana4027,622377 sq mi
(976 km2)
Johnson County081FranklinDec 31, 1823Delaware New PurchaseJohn Johnson, first Chief Justice of the Indiana Supreme Court41167,819320 sq mi
(829 km2)
Knox County083VincennesJun 6, 1790Original CountyU.S. Secretary of War Henry Knox4236,070516 sq mi
(1,336 km2)
Kosciusko County085WarsawFeb 7, 1835un-organizedTadeusz Kościuszko, Polish-born hero of the American Revolutionary War4380,364531 sq mi
(1,375 km2)
LaGrange County087LaGrangeFeb 2, 1832un-organizedThe ancestral estate of the Marquis de la Fayette, the French-born hero of the American Revolutionary War4440,907380 sq mi
(984 km2)
Lake County089Crown PointJan 28, 1837Newton and Porter CountiesIts location on Lake Michigan45, 94, 96500,598499 sq mi
(1,292 km2)
LaPorte County091LaPorteJan 29, 1832St. Joseph and un-organizedMeans the door in French, which refers to the city of LaPorte46111,706598 sq mi
(1,549 km2)
Lawrence County093BedfordJan 7, 1818OrangeCapt. James Lawrence,[13] hero of the War of 18124745,084449 sq mi
(1,163 km2)
Madison County095AndersonJan 4, 1823Delaware New PurchaseU.S. President James Madison48132,504452 sq mi
(1,171 km2)
Marion County097IndianapolisDec 31, 1821Delaware New PurchaseGen. Francis Marion, American Revolutionary War hero49, 93, 95, 97, 98, 99968,460396 sq mi
(1,026 km2)
Marshall County099PlymouthFeb 7, 1835St. Joseph CountyU.S. Chief Justice John Marshall5046,352444 sq mi
(1,150 km2)
Martin County101ShoalsJan 17, 1820Daviess and Dubois CountiesMajor John T. Martin, hero of the War of 1812519,897336 sq mi
(870 km2)
Miami County103PeruJan 30, 1833Cass County and un-organizedMiami Native American people5235,402374 sq mi
(969 km2)
Monroe County105BloomingtonJan 14, 1818Orange CountyU.S. President James Monroe53139,342395 sq mi
(1,023 km2)
Montgomery County107CrawfordsvilleDec 21, 1822Wabash New PurchaseGen. Richard Montgomery, hero of the American Revolutionary War5438,573505 sq mi
(1,308 km2)
Morgan County109MartinsvilleDec 31, 1822Delaware and Wabash New PurchaseGen. Daniel Morgan, hero of the American Revolutionary War5573,227404 sq mi
(1,046 km2)
Newton County111KentlandDec 8, 1859[17]Jasper CountySgt. John Newton, hero of the American Revolutionary War5613,960402 sq mi
(1,041 km2)
Noble County113AlbionFeb 7, 1835un-organizedU.S. Senator James Noble or Governor of Indiana Noah Noble, brothers5747,430411 sq mi
(1,064 km2)
Ohio County115Rising SunJan 4, 1844Dearborn CountyThe Ohio River forms its east boundary586,00486 sq mi
(223 km2)
Orange County117PaoliFeb 1, 1816Gibson, Knox and WashingtonOrange County, North Carolina, in turn named for the Dutch Protestant House of Orange5919,638398 sq mi
(1,031 km2)
Owen County119SpencerDec 21, 1818Daviess and Sullivan CountyAbraham Owen,[13] hero of the Battle of Tippecanoe6021,532385 sq mi
(997 km2)
Parke County121RockvilleJan 9, 1821Vigo CountyBenjamin Parke, a delegate of Indiana Territory to the U.S. Congress[13]6116,484445 sq mi
(1,153 km2)
Perry County123Tell CityNov 1, 1814Gibson and Warrick CountiesCommodore Oliver Hazard Perry, hero of the War of 18126219,209382 sq mi
(989 km2)
Pike County125PetersburgDec 21, 1816Gibson and Perry CountyZebulon M. Pike, explorer of the American West6312,106334 sq mi
(865 km2)
Porter County127ValparaisoFeb 7, 1835un-organizedCapt. David Porter, hero of the War of 181264175,335418 sq mi
(1,083 km2)
Posey County129Mount VernonNov 11, 1814Gibson County Warrick CountyThomas Posey, governor of Indiana Territory6525,040410 sq mi
(1,062 km2)
Pulaski County131WinamacFeb 7, 1835un-organizedKazimierz Pułaski, Polish-born noble who led the colonial cavalry in the American Revolutionary War6612,385434 sq mi
(1,124 km2)
Putnam County133GreencastleDec 21, 1821[18]Vigo, Owen countiesGen. Israel Putnam, hero of the American Revolutionary War6737,567481 sq mi
(1,246 km2)
Randolph County135WinchesterJan 10, 1818Wayne CountyRandolph County, North Carolina, which is named for first President of the Continental Congress Peyton Randolph6824,216452 sq mi
(1,171 km2)
Ripley County137VersaillesDec 27, 1816Dearborn and Jefferson CountyGen. Eleazer Wheelock Ripley, hero of the War of 18126929,227446 sq mi
(1,155 km2)
Rush County139RushvilleDec 31, 1821Delaware New PurchaseBenjamin Rush, signer the Declaration of Independence7016,847408 sq mi
(1,057 km2)
St. Joseph County141South BendJan 29, 1830un-organizedSt. Joseph River, which flows through it toward Lake Michigan71272,848458 sq mi
(1,186 km2)
Scott County143ScottsburgJan 12, 1820Clark, Jefferson, Jennings and Washington CountiesCharles Scott, Governor of Kentucky7224,657190 sq mi
(492 km2)
Shelby County145ShelbyvilleDec 31, 1821Delaware New PurchaseGen. Isaac Shelby, Governor of Kentucky7345,231411 sq mi
(1,064 km2)
Spencer County147RockportJan 10, 1818Perry and Warrick CountiesCapt. Spier Spencer,[13] hero of the Battle of Tippecanoe7419,910397 sq mi
(1,028 km2)
Starke County149KnoxFeb 7, 1835St. Joseph County and un-organizedGen. John Stark, hero of the American Revolutionary War7523,206309 sq mi
(800 km2)
Steuben County151AngolaFeb 7, 1837un-organizedBaron Frederick von Steuben, Prussian-born noble who trained colonial soldiers during the American Revolutionary War7634,917309 sq mi
(800 km2)
Sullivan County153SullivanDec 30, 1816KnoxGeneral Daniel Sullivan, American Revolutionary War hero7720,757447 sq mi
(1,158 km2)
Switzerland County155VevayOct 1, 1814Dearborn and Jefferson CountyThe home country of many of the early settlers, Switzerland7810,019221 sq mi
(572 km2)
Tippecanoe County157LafayetteJan 20, 1826Wabash New Purchase and un-organizedThe Tippecanoe River and the Battle of Tippecanoe79188,792500 sq mi
(1,295 km2)
Tipton County159TiptonJan 15, 1844Adams New Purchase and un-organizedJohn Tipton,[13] U.S. Senator8015,256261 sq mi
(676 km2)
Union County161LibertyJan 5, 1821Parts of Fayette, Franklin and Wayne countiesNamed because it united sections of three adjacent counties into one new entity816,973161 sq mi
(417 km2)
Vanderburgh County163EvansvilleJan 7, 1818Gibson, Posey, and Warrick CountiesHenry Vanderburgh, a judge for Indiana Territory82179,810233 sq mi
(603 km2)
Vermillion County165NewportJan 2, 1824Parke County and Wabash New PurchaseThe Vermillion River8315,417257 sq mi
(666 km2)
Vigo County167Terre HauteJan 21, 1818Sullivan CountyFrancis Vigo, Italian-born colonial spy during the American Revolutionary War84106,153403 sq mi
(1,044 km2)
Wabash County169WabashJan 30, 1833[19]Adams New Purchase and un-organizedThe Wabash River8530,670412 sq mi
(1,067 km2)
Warren County171WilliamsportJan 19, 1827Wabash New Purchase and un-organizedJoseph Warren, American Revolutionary War hero868,518365 sq mi
(945 km2)
Warrick County173BoonvilleApr 30, 1813Gibson and Knox CountiesCapt. Jacob Warrick,[13] hero of the Battle of Tippecanoe8765,867385 sq mi
(997 km2)
Washington County175SalemDec 21, 1813Clark, Harrison and Knox CountiesU.S. President George Washington8828,205514 sq mi
(1,331 km2)
Wayne County177RichmondNov 27, 1810Clark, Dearborn and KnoxGen. "Mad" Anthony Wayne, hero of the American Revolutionary War8966,127402 sq mi
(1,041 km2)
Wells County179BlufftonFeb 7, 1837Adams New PurchaseCapt. William A. Wells, Native American who became a hero in the War of 18129028,555368 sq mi
(953 km2)
White County181MonticelloFeb 1, 1834Wabash New Purchase and un-organizedCapt. Isaac White,[13] hero of the Battle of Tippecanoe9124,917505 sq mi
(1,308 km2)
Whitley County183Columbia CityFeb 7, 1835un-organizedCol. William Whitley,[13] hero of the Battle of Tippecanoe9234,742336 sq mi
(870 km2)

See also

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References

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  1. ^ though Newton County was first formed in 1835
  2. ^ "Population Estimates for Indiana Counties, 2010-2017". StatsIndiana. Retrieved June 1, 2018.
  3. ^ a b c d National Association of Counties. "NACo - Find a county". Retrieved June 1, 2014.
  4. ^ "IN Const. art. XV, § 7 - Constitution of the State of Indiana, as amended". Indiana Legislature. 1851. Retrieved December 28, 2008.
  5. ^ "FIPS Publication 6-4". National Institute of Standards and Technology. Archived from the original on September 29, 2013. Retrieved April 11, 2007.
  6. ^ "Indiana License Plates, 1969-Present". February 28, 2016.
  7. ^ "EPA County FIPS Code Listing". EPA.gov. Retrieved February 23, 2008.
  8. ^ a b "Origin of Indiana County Names". Indiana Historical Bureau. Retrieved January 4, 2009.
  9. ^ "Origin of Indiana County Names". January 4, 2009.
  10. ^ "Indiana BMV website". February 28, 2016.
  11. ^ "U.S. Census Bureau QuickFacts: Indiana". U.S. Census Bureau. Retrieved April 21, 2024.
  12. ^ "Indiana -- County". U.S. Census Bureau. Archived from the original on February 10, 2020. Retrieved January 4, 2009.
  13. ^ a b c d e f g h i j k l m n o p Fought in the Battle of Tippecanoe
  14. ^ Delaware County was originally formed on January 1, 1820, but for lack of population it was dissolved shortly thereafter. (Funk, p. 192)
  15. ^ Hadley, John V. History of Hendricks County, Indiana . . BF Brown Co., Indianapolis. p. 8 (1914)
  16. ^ Originally named Richardville County for Chief Richardville, but renamed in 1872 (Funk, p. 193)
  17. ^ Originally organized February 7, 1835, but merged with Jasper County in 1839 and recreated later. (Funk, p. 193)
  18. ^ "Welcome to Putnam County, Indiana/History]". The USGenWeb Project. 1910. Retrieved October 4, 2020.
  19. ^ Originally formed January 20, 1820, but soon dissolved for lack of population. (Funk, p. 194)
Sources
  • Funk, Arville (1983) [1969]. A Sketchbook of Indiana History. Rochester, Indiana: Christian Book Press. pp. 192–194.
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