Adams County 001 Decatur February 7, 1836 Adams New Purchase U.S. President John Quincy Adams 1 34,387 339 sq mi (878 km2) State map highlighting Adams County Allen County 003 Fort Wayne December 12, 1823 Delaware New Purchase Col. John Allen, Kentucky state senator[11] 2 355,329 657 sq mi (1,702 km2) State map highlighting Allen County Bartholomew County 005 Columbus January 8, 1821 Jackson County and Delaware New Purchases Lt. Col. Joseph Bartholomew, a hero of the Battle of Tippecanoe[11] 3 76,794 407 sq mi (1,054 km2) State map highlighting Bartholomew County Benton County 007 Fowler February 18, 1840 Jasper County Thomas H. Benton, U.S. Senator from Missouri 4 8,854 406 sq mi (1,052 km2) State map highlighting Benton County Blackford County 009 Hartford City February 15, 1838 Jay County Judge Isaac Blackford, Speaker of the Indiana House of Representatives and Chief Justice of the Indiana Supreme Court 5 12,766 165 sq mi (427 km2) State map highlighting Blackford County Boone County 011 Lebanon January 29, 1830 Adams and Wabash New Purchases Frontiersman Daniel Boone 6 56,640 423 sq mi (1,096 km2) State map highlighting Boone County Brown County 013 Nashville February 3, 1836 Bartholomew County Jackson County Monroe County General Jacob Brown, hero of the War of 1812[11] 7 15,242 312 sq mi (808 km2) State map highlighting Brown County Carroll County 015 Delphi January 17, 1828 Adams and Wabash New Purchases Charles Carroll, signer of the Declaration of Independence 8 20,165 372 sq mi (963 km2) State map highlighting Carroll County Cass County 017 Logansport December 18, 1828 Non-county Area Gen. Lewis Cass, Governor of Michigan Territory and U.S. Secretary of State 9 38,966 412 sq mi (1,067 km2) State map highlighting Cass County Clark County 019 Jeffersonville February 3, 1801 Knox County General George Rogers Clark, American Revolutionary War hero 10 110,232 373 sq mi (966 km2) State map highlighting Clark County Clay County 021 Brazil February 12, 1825 Owen County Putnam County Sullivan County Vigo County U.S. Speaker of the House Henry Clay 11 26,890 358 sq mi (927 km2) State map highlighting Clay County Clinton County 023 Frankfort January 29, 1830 Adams and Wabash New Purchases DeWitt Clinton, Governor of New York 12 33,224 405 sq mi (1,049 km2) State map highlighting Clinton County Crawford County 025 English January 29, 1818 Orange County Harrison County Perry County Col. William Crawford, surveyor of the Midwest and hero of the Indian Wars 13 10,713 306 sq mi (793 km2) State map highlighting Crawford County Daviess County 027 Washington February 2, 1818 Knox County Col. Joseph Hamilton Daveiss,[11] hero of the Battle of Tippecanoe 14 31,648 429 sq mi (1,111 km2) State map highlighting Daviess County Dearborn County 029 Lawrenceburg March 7, 1803 Clark County, IN; Hamilton County, OH U.S. Secretary of War Henry Dearborn 15 50,047 305 sq mi (790 km2) State map highlighting Dearborn County Decatur County 031 Greensburg December 12, 1821 Delaware New Purchase Commodore Stephen Decatur, hero of the War of 1812 16 25,740 373 sq mi (966 km2) State map highlighting Decatur County DeKalb County 033 Auburn February 7, 1835 Non-county Area Johann de Kalb, German noble who trained colonial soldiers for the American Revolutionary War 17 40,285 363 sq mi (940 km2) State map highlighting DeKalb County Delaware County 035 Muncie January 26, 1827 Delaware New Purchase Delaware Native American people 18 117,671 392 sq mi (1,015 km2) State map highlighting Delaware County Dubois County 037 Jasper December 20, 1817 Perry County Pike County Toussaint Dubois,[11] hero of the Battle of Tippecanoe 19 41,889 427 sq mi (1,106 km2) State map highlighting Dubois County Elkhart County 039 Goshen January 29, 1830 Non-county Area Disputed, but possibly the Elkhart Native American people 20 197,559 463 sq mi (1,199 km2) State map highlighting Elkhart County Fayette County 041 Connersville January 29, 1818 Franklin Wayne County and Non-county Area Marquis de la Fayette, French noble who trained colonial soldiers in the American Revolutionary War 21 24,277 215 sq mi (557 km2) State map highlighting Fayette County Floyd County 043 New Albany January 2, 1819 Clark and Harrison Counties Col. Either John Floyd, a War of 1812 hero and Governor of Virginia, or early settler and state legislator Davis Floyd[11] 22 74,578 148 sq mi (383 km2) State map highlighting Floyd County Fountain County 045 Covington December 20, 1825 Montgomery County and Wabash New Purchase Major James Fontaine, a hero of the American Revolutionary War 23 17,240 396 sq mi (1,026 km2) State map highlighting Fountain County Franklin County 047 Brookville February 1, 1811 Clark County Dearborn County Knox County Writer, orator, scholar, and founding father Benjamin Franklin 24 23,087 384 sq mi (995 km2) State map highlighting Franklin County Fulton County 049 Rochester February 7, 1836 Non-county Area Robert Fulton, inventor of the steamboat 25 20,836 368 sq mi (953 km2) State map highlighting Fulton County Gibson County 051 Princeton April 1, 1813 Knox County John Gibson, secretary of the Indiana Territory[11] 26 33,503 487 sq mi (1,261 km2) State map highlighting Gibson County Grant County 053 Marion February 10, 1831 Formed from Madison County, Adams New Purchase and un-organized Captains Samuel and Moses Grant, former American soldiers and early settlers 27 70,061 414 sq mi (1,072 km2) State map highlighting Grant County Greene County 055 Bloomfield January 5, 1821 Sullivan County Non-county Area Gen. Nathanael Greene, hero of the American Revolutionary War 28 33,165 543 sq mi (1,406 km2) State map highlighting Greene County Hamilton County 057 Noblesville January 8, 1823 Formed from Delaware New Purchase Alexander Hamilton, first Secretary of the Treasury and founding father 29 274,569 394 sq mi (1,020 km2) State map highlighting Hamilton County Hancock County 059 Greenfield March 1, 1828 Formed from Madison County John Hancock, first signer of the Declaration of Independence 30 70,002 306 sq mi (793 km2) State map highlighting Hancock County Harrison County 061 Corydon December 1, 1808 Formed from Clark and Knox County William Henry Harrison, governor of Indiana Territory and U.S. President 31 39,364 485 sq mi (1,256 km2) State map highlighting Harrison County Hendricks County 063 Danville December 20, 1824 Formed from Delaware and Wabash New Purchase Governor of Indiana William Hendricks[11] 32 145,488 407 sq mi (1,054 km2) State map highlighting Hendricks County Henry County 065 New Castle December 31, 1821 Formed from Delaware New Purchase Patrick Henry, attorney, orator, and founding father 33 49,462 392 sq mi (1,015 km2) State map highlighting Henry County Howard County 067 Kokomo January 15, 1844 Formed from un-organized Gen. Tilghman Howard, a U.S. Representative from Indiana 34 82,752 293 sq mi (759 km2) State map highlighting Howard County Huntington County 069 Huntington February 2, 1832 Formed from Adams New Purchase and un-organized Samuel Huntington, signer the Declaration of Independence 35 37,124 383 sq mi (992 km2) State map highlighting Huntington County Jackson County 071 Brownstown January 1, 1816 Formed from Clark, Jefferson and Washington U.S. President Andrew Jackson 36 42,367 509 sq mi (1,318 km2) State map highlighting Jackson County Jasper County 073 Rensselaer February 7, 1835 Formed from Wabash New Purchase Sgt. William Jasper, hero of the American Revolutionary War 37 33,478 560 sq mi (1,450 km2) State map highlighting Jasper County Jay County 075 Portland February 7, 1835 Formed from Adams New Purchase John Jay, first Chief Justice of the United States Supreme Court 38 21,253 384 sq mi (995 km2) State map highlighting Jay County Jefferson County 077 Madison November 23, 1810 Formed from Clark, Dearborn and Knox County U.S. President Thomas Jefferson 39 32,428 361 sq mi (935 km2) State map highlighting Jefferson County Jennings County 079 Vernon December 27, 1816 Formed from Jackson and Jefferson Counties Jonathan Jennings, the first Governor of Indiana 40 28,525 377 sq mi (976 km2) State map highlighting Jennings County Johnson County 081 Franklin December 31, 1823 Formed from Delaware New Purchase John Johnson, first Chief Justice of the Indiana Supreme Court 41 139,654 320 sq mi (829 km2) State map highlighting Johnson County Knox County 083 Vincennes June 6, 1790 Original County U.S. Secretary of War Henry Knox 42 38,440 516 sq mi (1,336 km2) State map highlighting Knox County Kosciusko County 085 Warsaw February 7, 1835 Formed from un-organized Tadeusz Ko.ciuszko, Polish-born hero of the American Revolutionary War and leader of a Polish nationalistic revolt against Russia 43 77,358 531 sq mi (1,375 km2) State map highlighting Kosciusko County LaGrange County 087 LaGrange February 2, 1832 Formed from un-organized The ancestral estate of the Marquis de la Fayette, the French-born hero of the American Revolutionary War 44 37,128 380 sq mi (984 km2) State map highlighting LaGrange County Lake County 089 Crown Point January 28, 1837 Formed from Newton and Porter Counties Its location on Lake Michigan 45, 94, 96 496,005 499 sq mi (1,292 km2) State map highlighting Lake County LaPorte County 091 LaPorte January 29, 1832 Formed from St. Joseph and un-organized Means the door in French, which refers to the city of LaPorte 46 111,467 598 sq mi (1,549 km2) State map highlighting LaPorte County Lawrence County 093 Bedford January 7, 1818 Formed from Orange Capt. James Lawrence,[11] hero of the War of 1812 47 46,134 449 sq mi (1,163 km2) State map highlighting Lawrence County Madison County 095 Anderson January 4, 1823 Formed from Delaware New Purchase U.S. President James Madison 48 131,636 452 sq mi (1,171 km2) State map highlighting Madison County Marion County 097 Indianapolis December 31, 1821 Formed from Delaware New Purchase Gen. Francis Marion, American Revolutionary War hero 49, 93-99 903,393 396 sq mi (1,026 km2) State map highlighting Marion County Marshall County 099 Plymouth February 7, 1835 Formed from St. Joseph County U.S. Chief Justice John Marshall 50 47,051 444 sq mi (1,150 km2) State map highlighting Marshall County Martin County 101 Shoals January 17, 1820 Formed from Daviess and Dubois Counties Major John T. Martin, hero of the War of 1812 51 10,334 336 sq mi (870 km2) State map highlighting Martin County Miami County 103 Peru January 30, 1833 Formed from Cass County and un-organized Miami Native American people 52 36,903 374 sq mi (969 km2) State map highlighting Miami County Monroe County 105 Bloomington January 14, 1818 Formed from Orange County U.S. President James Monroe 53 137,974 395 sq mi (1,023 km2) State map highlighting Monroe County Montgomery County 107 Crawfordsville December 21, 1822 Formed from Wabash New Purchase Gen. Richard Montgomery, hero of the American Revolutionary War 54 38,124 505 sq mi (1,308 km2) State map highlighting Montgomery County Morgan County 109 Martinsville December 31, 1822 Formed from Delaware and Wabash New Purchase Gen. Daniel Morgan, hero of the American Revolutionary War 55 68,894 404 sq mi (1,046 km2) State map highlighting Morgan County Newton County 111 Kentland December 8, 1859 Formed from Jasper County Sgt. John Newton, hero of the American Revolutionary War 56 14,244 402 sq mi (1,041 km2) State map highlighting Newton County Noble County 113 Albion February 7, 1835 Formed from un-organized U.S. Senator James Noble or Governor of Indiana Noah Noble, brothers 57 47,536 411 sq mi (1,064 km2) State map highlighting Noble County Ohio County 115 Rising Sun January 4, 1844 Formed from Dearborn County The Ohio River 58 6,128 86 sq mi (223 km2) State map highlighting Ohio County Orange County 117 Paoli February 1, 1816 Formed from Gibson, Knox and Washington Orange County, North Carolina, in turn named for the Dutch Protestant House of Orange 59 19,840 398 sq mi (1,031 km2) State map highlighting Orange County Owen County 119 Spencer December 21, 1818 Formed from Daviess and Sullivan County Abraham Owen,[11] hero of the Battle of Tippecanoe 60 21,575 385 sq mi (997 km2) State map highlighting Owen County Parke County 121 Rockville January 9, 1821 Formed from Vigo County Benjamin Parke, a delegate of Indiana Territory to the U.S. Congress[11] 61 17,339 445 sq mi (1,153 km2) State map highlighting Parke County Perry County 123 Tell City November 1, 1814 Formed from Gibson and Warrick Counties Commodore Oliver Hazard Perry, hero of the War of 1812 62 19,338 382 sq mi (989 km2) State map highlighting Perry County Pike County 125 Petersburg December 21, 1816 Formed from Gibson and Perry County Zebulon M. Pike, explorer of the American West 63 12,845 334 sq mi (865 km2) State map highlighting Pike County Porter County 127 Valparaiso February 7, 1835 Formed from un-organized Capt. David Porter, hero of the War of 1812 64 164,343 418 sq mi (1,083 km2) State map highlighting Porter County Posey County 129 Mount Vernon November 11, 1814 Gibson County Warrick County Thomas Posey, governor of Indiana Territory 65 25,910 410 sq mi (1,062 km2) State map highlighting Posey County Pulaski County 131 Winamac February 7, 1835 Formed from un-organized Kazimierz Pu.aski, Polish-born noble who led the colonial cavalry in the American Revolutionary War 66 13,402 434 sq mi (1,124 km2) State map highlighting Pulaski County Putnam County 133 Greencastle December 31, 1822 Formed from Owen County and Wabash New Purchase Gen. Israel Putnam, hero of the American Revolutionary War 67 36,019 481 sq mi (1,246 km2) State map highlighting Putnam County Randolph County 135 Winchester January 10, 1818 Formed from Wayne County Randolph County, North Carolina, which is itself named for first President of the Continental Congress Peyton Randolph 68 26,171 452 sq mi (1,171 km2) State map highlighting Randolph County Ripley County 137 Versailles December 27, 1816 Formed from Dearborn and Jefferson County Gen. Eleazer Wheelock Ripley, hero of the War of 1812 69 28,818 446 sq mi (1,155 km2) State map highlighting Ripley County Rush County 139 Rushville December 31, 1821 Formed from Delaware New Purchase Dr. Benjamin Rush, signer the Declaration of Independence 70 17,392 408 sq mi (1,057 km2) State map highlighting Rush County St. Joseph County 141 South Bend January 29, 1830 Formed from un-organized St. Joseph River, which flows through it toward Lake Michigan 71 266,931 458 sq mi (1,186 km2) State map highlighting St. Joseph County Scott County 143 Scottsburg January 12, 1820 Formed from Clark, Jefferson, Jennings and Washington Counties Charles Scott, Governor of Kentucky 72 24,181 190 sq mi (492 km2) State map highlighting Scott County Shelby County 145 Shelbyville December 31, 1821 Formed from Delaware New Purchase Gen. Isaac Shelby, Governor of Kentucky 73 44,436 411 sq mi (1,064 km2) State map highlighting Shelby County Spencer County 147 Rockport January 10, 1818 Formed from Perry and Warrick Counties Capt. Spier Spencer,[11] hero of the Battle of Tippecanoe 74 20,952 397 sq mi (1,028 km2) State map highlighting Spencer County Starke County 149 Knox February 7, 1835 Formed from St. Joseph County and un-organized Gen. John Stark, hero of the American Revolutionary War 75 23,363 309 sq mi (800 km2) State map highlighting Starke County Steuben County 151 Angola February 7, 1837 Formed from un-organized Baron Frederick von Steuben, Prussian-born noble who trained colonial soldiers during the American Revolutionary War 76 34,185 309 sq mi (800 km2) State map highlighting Steuben County Sullivan County 153 Sullivan December 30, 1816 Formed from Knox General Daniel Sullivan, American Revolutionary War hero 77 21,745 447 sq mi (1,158 km2) State map highlighting Sullivan County Switzerland County 155 Vevay October 1, 1814 Formed from Dearborn and Jefferson County The home country of many of the early settlers, Switzerland 78 10,613 221 sq mi (572 km2) State map highlighting Switzerland County Tippecanoe County 157 Lafayette January 20, 1826 Formed from Wabash New Purchase and un-organized The Tippecanoe River and the Battle of Tippecanoe 79 172,780 500 sq mi (1,295 km2) State map highlighting Tippecanoe County Tipton County 159 Tipton January 15, 1844 Formed from Adams New Purchase and un-organized John Tipton,[11] U.S. Senator 80 15,936 261 sq mi (676 km2) State map highlighting Tipton County Union County 161 Liberty January 5, 1821 Parts of Fayette, Franklin and Wayne counties Named because it united sections of three adjacent counties into one new entity 81 7,516 161 sq mi (417 km2) State map highlighting Union County Vanderburgh County 163 Evansville January 7, 1818 Gibson, Posey, and Warrick Counties Henry Vanderburgh, a judge for Indiana Territory 82 179,703 233 sq mi (603 km2) State map highlighting Vanderburgh County Vermillion County 165 Newport January 2, 1824 Formed from Parke County and Wasbash New Purchase The Vermillion River 83 16,212 257 sq mi (666 km2) State map highlighting Vermillion County Vigo County 167 Terre Haute January 21, 1818 Formed from Sullivan County Francis Vigo, Italian-born colonial spy during the American Revolutionary War 84 107,818 403 sq mi (1,044 km2) State map highlighting Vigo County Wabash County 169 Wabash January 30, 1833 Formed from Adams New Purchase and un-organized The Wabash River 85 32,888 412 sq mi (1,067 km2) State map highlighting Wabash County Warren County 171 Williamsport January 19, 1827 Formed from Wabash New Purchase and un-organized Dr. Joseph Warren, American Revolutionary War hero 86 8,508 365 sq mi (945 km2) State map highlighting Warren County Warrick County 173 Boonville April 30, 1813 Gibson and Knox Counties Capt. Jacob Warrick,[11] hero of the Battle of Tippecanoe 87 59,689 385 sq mi (997 km2) State map highlighting Warrick County Washington County 175 Salem December 21, 1813 Clark, Harrison and Knox Counties U.S. President George Washington 88 28,262 514 sq mi (1,331 km2) State map highlighting Washington County Wayne County 177 Richmond November 27, 1810 Formed from Clark, Dearborn and Knox Gen. "Mad" Anthony Wayne, hero of the American Revolutionary War 89 68,917 402 sq mi (1,041 km2) State map highlighting Wayne County Wells County 179 Bluffton February 7, 1837 Formed from Adams New Purchase Capt. William A. Wells, Native American who became a hero in the War of 1812 90 27,636 368 sq mi (953 km2) State map highlighting Wells County White County 181 Monticello February 1, 1834 Formed from Wabash New Purchase and un-organized Capt. Isaac White,[11] hero of the Battle of Tippecanoe 91 24,643 505 sq mi (1,308 km2) State map highlighting White County Whitley County 183 Columbia City February 7, 1835 Formed from un-organized Col. William Whitley,[11] hero of the Battle of Tippecanoe 92 33,292 336 sq mi (870 km2) State map highlighting Whitley County