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County Lists with Maps

County County Seat Established County Origins Named For Host Location of County on Map
Adams Decatur February 7, 1836 Adams New Purchase U.S. President John Quincy Adams ADOPTABLE
Allen Fort Wayne December 12, 1823 Delaware New Purchase Col. John Allen, Kentucky state senator ADOPTABLE
Bartholomew Columbus January 8, 1821 Jackson County and Delaware New Purchases Lt. Col. Joseph Bartholomew ADOPTABLE
Benton Fowler February 18, 1840 Jasper County Thomas H. Benton, U.S. Senator from Missouri ADOPTABLE
Blackford 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 Katy Hestand
Boone Lebanon January 29, 1830 Adams and Wabash New Purchases Frontiersman Daniel Boone Katy Hestand
Brown Nashville February 3, 1836 Bartholomew County, Jackson County & Monroe County General Jacob Brown. ADOPTABLE
Carroll Delphi January 17, 1828 Adams and Wabash New Purchases Charles Carroll, signer of the Declaration of Independence Judi Burns
Cass Logansport December 18, 1828 Non-county Area Gen. Lewis Cass, Governor of Michigan Territory and U.S. Secretary of State Judii Burns
Clark Jeffersonville February 3, 1801 Knox County General George Rogers Clark ADOPTABLE
Clay Brazil February 12, 1825 Owen County, Putnam County, Sullivan County & Vigo County U.S. Speaker of the House Henry Clay ADOPTABLE
Clinton Frankfort January 29, 1830 Adams and Wabash New Purchases DeWitt Clinton, Governor of New York ADOPTABLE
Crawford English January 29, 1818 Orange County, Harrison County, & Perry County Col. William Crawford ADOPTABLE
Daviess Washington February 2, 1818 Knox County Col. Joseph H. Daviess ADOPTABLE
Dearborn Lawrenceburg March 7, 1803 Clark County, IN; Hamilton County, OH U.S. Secretary of War Henry Dearborn ADOPTABLE
Decatur Greensburg December 12, 1821 Delaware New Purchase Commodore Stephen Decatur ADOPTABLE
DeKalb Auburn February 7, 1835 Non-county Area Johann de Kalb ADOPTABLE
Delaware Muncie January 26, 1827 Delaware New Purchase Delaware Native American people ADOPTABLE
Dubois Jasper December 20, 1817 Perry &; Pike Counties Toussaint Dubois ADOPTABLE
Elkhart Goshen January 29, 1830 Non-county Area Elkhart Native American people ADOPTABLE
Fayette Connersville January 29, 1818 Franklin Wayne County and Non-county Area Marquis de la Fayette ADOPTABLE
Floyd New Albany January 2, 1819 Clark and Harrison Counties Col. John Floyd, early settler Davis Floyd or early settler John Floyd ADOPTABLE
Fountain Covington December 20, 1825 Montgomery County and Wabash New Purchase Maj. James Fontaine ADOPTABLE
Franklin Brookville February 1, 1811 Clark County, Dearborn County & Knox County Founding father Benjamin Franklin ADOPTABLE
Fulton Rochester February 7, 1836 Non-county Area Robert Fulton, inventor of the steamboat ADOPTABLE
Gibson Princeton April 1, 1813 Knox County John Gibson, secretary of the Indiana Territory ADOPTABLE
Grant Marion February 10, 1831 Formed from Madison County, Adams New Purchase and un-organized Captains Samuel and Moses Grant ADOPTABLE
Greene Bloomfield January 5, 1821 Sullivan County & Non-county Area Gen. Nathanael Greene Judi Burns
Hamilton Noblesville January 8, 1823 Formed from Delaware New Purchase Alexander Hamilton ADOPTABLE
Hancock Greenfield January 26, 1828 Formed from Madison County John Hancock ADOPTABLE
Harrison Corydon December 1, 1808 Formed from Clark and Knox County William Henry Harrison, governor of Indiana Territory and U.S. President ADOPTABLE
Hendricks Danville December 20, 1824 Formed from Delaware and Wabash New Purchase Governor of Indiana William Hendricks ADOPTABLE
Henry New Castle December 31, 1821 Formed from Delaware New Purchase Patrick Henry ADOPTABLE
Howard Kokomo January 15, 1844 Formed from un-organized Gen. Tilghman Howard, a U.S. Representative from Indiana ADOPTABLE
Huntington Huntington February 2, 1832 Formed from Adams New Purchase and un-organized Samuel Huntington, signer the Declaration of Independence. ADOPTABLE
Jackson Brownstown January 1, 1816 Formed from Clark, Jefferson and Washington U.S. President Andrew Jackson Sheri Bush
Jasper Rensselaer February 7, 1835 Formed from Wabash New Purchase Sgt. William Jasper ADOPTABLE
Jay Portland February 7, 1835 Formed from Adams New Purchase John Jay, first Chief Justice of the United States Supreme Court Katy Hestand
Jefferson Madison November 23, 1810 Formed from Clark, Dearborn and Knox County U.S. President Thomas Jefferson ADOPTABLE
Jennings Vernon December 27, 1816 Formed from Jackson and Jefferson Counties Jonathan Jennings, the first Governor of Indiana ADOPTABLE
Johnson Franklin December 31, 1823 Formed from Delaware New Purchase John Johnson, first Chief Justice of the Indiana Supreme Court ADOPTABLE
Knox Vincennes June 6, 1790 Original County U.S. Secretary of War Henry Knox Katy Hestand
Kosciusko Warsaw February 7, 1835 Formed from un-organized Tadeusz Kosciuszko ADOPTABLE
LaGrange LaGrange February 2, 1832 Formed from un-organized The Marquis de la Fayette's home outside of Paris, France ADOPTABLE
Lake Crown Point January 28, 1837 Formed from Newton and Porter Counties Its location on Lake Michigan ADOPTABLE
LaPorte LaPorte January 29, 1832 Formed from St. Joseph and un-organized LaPorte means the door or the port in French ADOPTABLE
Lawrence Bedford January 7, 1818 Formed from Orange County Capt. James Lawrence ADOPTABLE
Madison Anderson January 4, 1823 Formed from Delaware New Purchase U.S. President James Madison ADOPTABLE
Marion Indianapolis December 31, 1821 Formed from Delaware New Purchase Gen. Francis Marion ADOPTABLE
Marshall Plymouth February 7, 1835 Formed from St. Joseph County U.S. Chief Justice John Marshall ADOPTABLE
Martin Shoals January 17, 1820 Formed from Daviess and Dubois Counties Maj. John T. Martin ADOPTABLE
Miami Peru January 30, 1833 Formed from Cass County and un-organized Miami Native American people ADOPTABLE
Monroe Bloomington January 14, 181 Formed from Orange County U.S. President James Monroe ADOPTABLE
Montgomery Crawfordsville December 21, 1822 Formed from Wabash New Purchase Gen. Richard Montgomery ADOPTABLE
Morgan Martinsville December 31, 1859 Delaware and Wabash New Purchase Gen. Daniel Morgan ADOPTABLE
Newton Kentland December 8, 1859 Formed from Jasper County Sgt. John Newton ADOPTABLE
Noble Albion February 7, 1835 Formed from un-organized U.S. Senator James Noble or Governor of Indiana Noah Noble, brothers ADOPTABLE
Ohio Rising Sun January 4, 1844 Formed from Dearborn County The Ohio River ADOPTABLE
Orange Paoli February 1, 1816 Formed from Gibson, Knox and Washington Orange County, North Carolina, in turn named for the Dutch Protestant House of Orange ADOPTABLE
Owen Spencer December 21, 1818 Formed from Daviess and Sullivan County Abraham Owen ADOPTABLE
Parke Rockville January 9, 1821 Formed from Vigo County Benjamin Parke, a delegate of Indiana Territory to the U.S. Congress ADOPTABLE
Perry Tell City November 7, 1803 Formed from Gibson and Warrick Counties Commodore Oliver Hazard Perry ADOPTABLE
Pike Petersburg December 21, 1816 Formed from Gibson and Perry County Zebulon M. Pike ADOPTABLE
Porter Valparaiso February 7, 1835 Formed from un-organized Capt. David Porter ADOPTABLE
Posey Mount Vernon November 11, 1814 Formed from Warrick County Thomas Posey, governor of Indiana Territory ADOPTABLE
Pulaski Winamac February 7, 1835 Formed from un-organized Kazimierz Pulaski ADOPTABLE
Putnam Greencastle December 31, 1822 Formed from Owen County and Wabash New Purchase Gen. Israel Putnam Katy Hestand
Randolph Winchester January 10, 1818 Formed from Wayne County Either Thomas Randolph ADOPTABLE
Ripley Versailles December 27, 1816 Formed from Dearborn and Jefferson County Gen. Eleazer Wheelock Ripley ADOPTABLE
Rush Rushville December 31, 1821 Formed from Delaware New Purchase Dr. Benjamin Rush, signer the Declaration of Independence ADOPTABLE
St. Joseph South Bend January 29, 1830 Formed from un-organized St. Joseph River, which flows through it toward Lake Michigan ADOPTABLE
Scott Scottsburg January 12, 1820 Clark, Jefferson, Jennings and Washington Counties Charles Scott, Governor of Kentucky ADOPTABLE
Shelby Shelbyville December 31, 1821 Formed from Delaware New Purchase Gen. Isaac Shelby, Governor of Kentucky ADOPTABLE
Spencer Rockport January 10, 1818 Formed from Perry and Warrick Counties Capt. Spier Spencer ADOPTABLE
Starke Knox February 7, 1835 Formed from St. Joseph County and un-organized Gen. John Stark ADOPTABLE
Steuben Angola February 7, 1837 Formed from un-organized Baron Frederick von Steuben ADOPTABLE
Sullivan Sullivan December 30, 1816 Formed from Knox Daniel Sullivan, soldier Judi Burns
Switzerland Vevay October 1, 1814 Formed from Dearborn and Jefferson County The home country of many of the early settlers, Switzerland Katy Hestand
Tippecanoe Lafayette January 20, 1826 Formed from Wabash New Purchase and un-organized The Tippecanoe River and the Battle of Tippecanoe ADOPTABLE
Tipton Tipton January 15, 1844 Formed from Adams New Purchase and un-organized John Tipton ADOPTABLE
Union Liberty January 5, 1821 Parts of Fayette, Franklin and Wayne counties Union of parts of other counties ADOPTABLE
Vanderburgh Evansville January 7, 1818 Gibson County, Posey County & Warrick County Henry Vanderburgh, a judge for Indiana Territory ADOPTABLE
Vermillion Newport January 2, 1824 Formed from Parke County and Wasbash New Purchase The Vermillion River ADOPTABLE
Vigo Terre Haute January 21, 1818 Formed from Sullivan County Francis Vigo ADOPTABLE
Wabash Wabash January 30, 1833 Formed from Adams New Purchase and un-organized The Wabash River ADOPTABLE
Warren Williamsport January 19, 1827 Wabash New Purchase and un-organized Dr. Joseph Warren ADOPTABLE
Warrick Boonville April 30, 1813 Knox County Capt. Jacob Warrick ADOPTABLE
Washington Salem December 21, 1813 Clark, Harrison and Knox Counties U.S. President George Washington Shani Bush
Wayne Richmond November 27, 1810 Formed from Clark, Dearborn and Knox Gen. "Mad" Anthony Wayne Katy Hestand
Wells Bluffton February 7, 1837 Formed from Adams New Purchase Capt. William A. Wells Katy Hestand
White Monticello February 1, 1834 Formed from Wabash New Purchase and un-organized Capt. Isaac White ADOPTABLE
Whitley Columbia City February 7, 1835 Formed from un-organized Col. William Whitley ADOPTABLE

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