Calvert is located in Robertson County. About 962 people live here (as of 2020). Between 2010 and 2020, the population declined from 1,192 to 962. The region is at 100 meters above sea level. The area covers about 10.1 square kilometers. There are about 103 streets in Calvert. The postal codes are 77837. The dialing code is 979. Calvert is city in Robertson County, Texas, United States. Among other things, Calvert has schools and banks. More information at
www.texasescapes.com/CentralTexasTownsSouth/Calvert-Texas.htm.