Frio County is a county situated in the state of Texas. The county’s seat is Pearsall. Frio River is the namesake of the town. “Frio” means cold in Spanish. The county was initially founded in 1858 and was officially established in 1871. The county was originally formed from Bexar, Atascosa, and Uvalde counties. Ben Duncan was considered one of the first settlers as he arrived in the area in 1856. The county’s first rancher is considered to be James Berry who arrived four years later. Some of the top sights in Frio County are World’s Largest Peanut Museum, Hondo, and Seco creeks.