Saline County is located in the U.S. state of Arkansas. As of the 2020 census, the population was 123,416. Its county seat and largest city is Benton. Saline County was formed on November 2, 1835, and named for the salt water (brine) springs in the area, despite a differing pronunciation from saline. Until November 2014, it was an alcohol prohibition or dry county.

Benton is a city in and the county seat of Saline County, Arkansas, United States and a suburb of Little Rock. It was established in 1837. At the 2020 census, the city had a population of 35,014, making it the 12th most populous city in Arkansas. It is part of the Little Rock–North Little Rock–Conway Metropolitan Statistical Area. The city of Benton, first settled in 1833 and named after Missouri Senator Thomas Hart Benton, was formally chartered in 1836 when Arkansas became a state.