The counties of Indiana were first formed during part of the Mississippi Territory and, after that, the Indiana Territory. When Indiana territory was first organized in 1800, five Indiana territories were originally first formed. On December 11, 1816, the State of Indiana entered the Union as the 19th State. The FIPS Code of Indiana State is 18, which, when combined with any county code, would be written as 18XXX.

How Many Counties in Indiana

The state of Indiana has 92 counties at present. All counties of Indiana serve the local level of government within its borders. In Indiana, the county government consists of commissioners and the county council. Check this Indiana County Map which shows the location of all counties on the Indiana Map.

Counties of Indiana

• Adams County Map, Indiana
• Allen County Map, Indiana
• Bartholomew County Map, Indiana
• Benton County Map, Indiana
• Blackford County Map, Indiana
• Boone County Map, Indiana
• Brown County Map, Indiana
• Carroll County Map, Indiana
• Cass County Map, Indiana
• Clark County Map, Indiana
• Clay County Map, Indiana
• Clinton County Map, Indiana
• Crawford County Map, Indiana
• Daviess County Map, Indiana
• Dearborn County Map, Indiana
• Decatur County Map, Indiana
• Dekalb County Map, Indiana
• Delaware County Map, Indiana
• Dubois County Map, Indiana
• Elkhart County Map, Indiana
• Fayette County Map, Indiana
• Floyd County Map, Indiana
• Fountain County Map, Indiana
• Franklin County Map, Indiana
• Fulton County Map, Indiana
• Gibson County Map, Indiana
• Grant County Map, Indiana
• Greene County Map, Indiana
• Hamilton County Map, Indiana
• Hancock County Map, Indiana
• Harrison County Map, Indiana
• Hendricks County Map, Indiana
• Henry County Map, Indiana
• Howard County Map, Indiana
• Huntington County Map, Indiana
• Jackson County Map, Indiana
• Jasper County Map, Indiana
• Jay County Map, Indiana
• Jefferson County Map, Indiana
• Johnson County Map, Indiana
• Knox County Map, Indiana
• Kosciusko County Map, Indiana
• Lagrange County Map, Indiana
• Lake County Map, Indiana
• Laporte County Map, Indiana
• Lawrence County Map, Indiana
• Madison County Map, Indiana
• Marion County Map, Indiana
• Marshall County Map, Indiana
• Martin County Map, Indiana
• Miami County Map, Indiana
• Monroe County Map, Indiana
• Montgomery County Map, Indiana
• Morgan County Map, Indiana
• Newton County Map, Indiana
• Noble County Map, Indiana
• Ohio County Map, Indiana
• Orange County Map, Indiana
• Owen County Map, Indiana
• Parke County Map, Indiana
• Perry County Map, Indiana
• Pike County Map, Indiana
• Porter County Map, Indiana
• Pulaski County Map, Indiana
• Putnam County Map, Indiana
• Randolph County Map, Indiana
• Ripley County Map, Indiana
• Rush County Map, Indiana
• Scott County Map, Indiana
• Shelby County Map, Indiana
• Spencer County Map, Indiana
• St Joseph County Map, Indiana
• Starke County Map, Indiana
• Steuben County Map, Indiana
• Sullivan County Map, Indiana
• Switzerland County Map, Indiana
• Tippecanoe County Map, Indiana
• Tipton County Map, Indiana
• Union County Map, Indiana
• Vanderburgh County Map, Indiana
• Vermillion County Map, Indiana
• Vigo County Map, Indiana
• Warren County Map, Indiana
• Warrick County Map, Indiana
• Washington County Map, Indiana
• Wells County Map, Indiana
• White County Map, Indiana
• Whitley County Map, Indiana

Oldest and Newest Counties of Indiana

The oldest counties of Indiana were in the south, mainly near the Ohio River. The oldest County of Indiana is Knox County, created in 1790. The newer counties of Indiana were primarily in the northern territory acquired later. Between 1834 and 1840, many final counties were formed after the acquisition and break up of the Big Miami Reserve. The newest and the last county of Indiana created in 1859 is Newton County.

How do Counties of Indiana get their names

Many counties of Indiana are named after:

• The early leaders of Indiana and the Indiana territory
• Surrounding states of Kentucky and Michigan
• Personalities and Founding Fathers of the American Revolutionary War
• Battle of Tippecanoe and war of 1812
• Geographical features and Native American tribes 

Largest and smallest County by Area in Indiana

Allen County is the largest county in Indiana, covering an area of 657 square miles (1,700 km2). The smallest county of Indiana is Ohio County, covering 86 square miles (220 km2). 

Best county to live in Indiana

The  best counties to live in the Indiana State of United States are Hamilton County, Monroe County, Boone County, Hendricks County and Tippecanoe County

Most populated and least populated county of Indiana

Marion County is the most populated county (2020 census) in Indiana, and Ohio County is the least populated county (2020 census) in Indiana state of the United States.

Information about Maps of All Counties of Nevada

The maps of all Indiana counties are available on the website describing facts about counties. The map shows the location of the county within the state, its county seat, state and county boundary. Indianapolis, the state capital, is also marked on all the maps. These maps can be used for various purposes.