Benton County is a county located in the U.S. state of Arkansas. As of the 2000 census, the population was 153,406. The county seat is Bentonville. Benton County was formed on 30 September 1836 and was named after Thomas Hart Benton, U.S. Senator from Missouri. It is an alcohol prohibition or dry county.
Pea Ridge is a city in Benton County, Arkansas, United States. The population was 2,346 at the 2000 census.
The Battle of Pea Ridge (also known as Elkhorn Tavern) was a land battle of the American Civil War, fought on March 7 and March 8, 1862, at Pea Ridge in northwest Arkansas, near Bentonville. In the battle, Union Army forces led by General Samuel R. Curtis defeated Confederate troops under General Earl Van Dorn. The outcome of the battle essentially cemented Union control of Missouri. One notable fact of this battle is that it was one of the few in which a Confederate Army outnumbered a Union Army.