To show what downtown huron looks like – Drew S. Palmquist ( talk ), Public domain – Wikimedia Commons Huron is located in Beadle County. The region is located on the body of water James River. About 14,263 people live here (as of 2020). Between 2010 and 2020, the population grew from 12,592 to 14,263. The region is at 390 meters above sea level. The area covers about 27.5 square kilometers. There are about 370 streets in Huron. The region was founded in 1883. The postal codes are 57350–57399. The dialing code is 605. Huron is city in and county seat of Beadle County, South Dakota, United States. More information at www.huronsd.com.