Starke County is a county in the U.S. state of Indiana. As of the 2020 United States Census, its population was 23,371. The county seat is Knox. The Indiana State Legislature passed an omnibus county bill on February 7, 1835, that authorized the creation of 13 counties in northeast Indiana, including Starke. The county government organization commenced i…Starke County is a county in the U.S. state of Indiana. As of the 2020 United States Census, its population was 23,371. The county seat is Knox. The Indiana State Legislature passed an omnibus county bill on February 7, 1835, that authorized the creation of 13 counties in northeast Indiana, including Starke. The county government organization commenced in 1850. It was named for Gen. John Stark, who commanded New Hampshire troops at the Battle of Bunker Hill in 1775 in the American Revolutionary War, and who defeated the British at the Battle of Bennington in 1777.