McIntosh rests upon southeastern Oklahoma that it assumed following stategood - 1st November 1907 - when Checotah became founded as its county seat although numerous other cities like Eufaula also exhist across 4400 km² (1700 sq mi). In 2019 an estimated 20 252 people called McIntosh home according records taken by the UUnited States Census Bureau estimates; classifying McIntosh amidst those counties functioning amongst Oklahomas most heavily populated regions.