Calvert is a city in Robertson County, Texas, United States. As of the 2020 census, the city population was 962. It is located approximately halfway between Waco and Bryan-College Station at the intersection of Texas State Highway 6 and Farm to Market Roads 1644 and 979, on the Southern Pacific line nine miles north of Hearne in west central Robertson County. For the last 35 years, Calvert has enjoyed a relative success as an antique "capital". The town is named for Robert Calvert, an early settler who served in the Texas Legislature representing Robertson and Milam Counties.