[2] The area was inhabited for thousands of years by cultures of indigenous peoples.

French explorers and traders encountered the historical Miami Native Americans beginning in the 17th century.

The name "Wabash" is an English spelling of the earlier French name for the river, Ouabache.

They are responsible for setting salaries, the annual budget, and special spending.

The commissioners are charged with executing the acts legislated by the council, collecting revenue, and managing the day-to-day functions of the county government.

The judge on the court is elected to a term of four years and must be a member of the Indiana Bar Association.

Each of these elected officers serves a term of four years and oversees a different part of county government.

Since 1888, only two Republican Party candidates have lost the county, William Howard Taft in 1912 & Barry Goldwater in 1964.

As of the 2010 United States Census, there were 32,888 people, 12,777 households, and 8,733 families residing in the county.