List of counties in Indiana

The of Indiana is divided into ninety-two counties. The oldest and newest in  are  (created ) and  (created ), respectively.

The average population of Indiana's ninety-two counties according to U. S. Census estimates, is 66,092, with  as the most populous (860,454), and  (5,623) the least. The largest county is (657, 1,702 km²) and the smallest is, again,  (87  sq. mi., 225 km²). According to the, no county may be created of less than 400 square miles, nor may any county smaller than this be further reduced in size.

Current counties
The (FIPS) code, which is used by the United States government to uniquely identify counties, is provided with each entry. The links in the column are to the Census Bureau Info page for that county. Listed are the 92 of the  of.

A quick illustration of Indiana County Formations

Defunct counties

 * , renamed in 1846 to the current.