Water tower, Leakey, Texas. I took photo in Leakey, TX, with Canon camera. – Billy Hathorn, CC BY-SA 3.0 – Wikimedia Commons Leakey is located in Real County. The region is located on the body of water Frio River. About 315 people live here (as of 2020). Between 2010 and 2020, the population declined from 425 to 315. The region is at 489 meters above sea level. The area covers about 1.5 square kilometers. There are about 72 streets in Leakey. The postal codes are 78873. The dialing code is 830. Leakey is city in and county seat of Real County, Texas, United States.