Nitro is located in West Virginia. The region is located on the body of water Kanawha River. About 6,624 people live here (as of 2020). Between 2010 and 2020, the population declined from 7,178 to 6,624. The region is at 181 meters above sea level. The area covers about 15.1 square kilometers. There are about 337 streets in Nitro. The postal codes are 25143. The name originates from nitrocellulose (highly flammable compound formed by nitrating cellulose thro…) Nitro is city in Putnam County, West Virginia, United States. Among other things, Nitro has restaurants. More information at
www.cityofnitro.org.