Cabot is the largest city in Lonoke County, Arkansas, United States. As of the 2010 census, the population of the city was 23,776, and in 2019 t…Cabot is the largest city in Lonoke County, Arkansas, United States. As of the 2010 census, the population of the city was 23,776, and in 2019 the population was an estimated 26,352, ranking it as the state's 19th largest city, behind Jacksonville. It is part of the Little Rock-North Little Rock-Conway metropolitan area.