City Hall of Vidor, Texas, United States. – Larry D. Moore, CC BY 4.0 – Wikimedia Commons Vidor is located in Orange County. About 9,789 people live here (as of 2020). Between 2010 and 2020, the population declined from 10,579 to 9,789. The region is at 7 meters above sea level. The area covers about 30.6 square kilometers. There are about 467 streets in Vidor. The postal codes are 77662–77670. The dialing code is 409. Vidor is city in Orange County, Texas, United States. Among other things, Vidor has restaurants, supermarkets, schools and pharmacies. More information at cityofvidor.com.