Granby is a city in Newton County, Missouri, United States. The population was 2,134 at the 2010 census. It is part of the Joplin, Missouri Metropolitan Statistical Area.
A post office called Granby has been in operation since 1856. The community took its name from Granby, Massachusetts,
Mining historically was the chief industrial activity at Granby. At the turn of the 20th century, Granby contained a large smelter owned by Henry Taylor Blow.
Granby is located at 36°55′9″N 94°15′19″W.
According to the United States Census Bureau, the city has a total area of 4.43 square miles (11.47 km2), of which 4.42 square miles (11.45 km2) is land and 0.01 square miles (0.03 km2) is water.
There are virtually no chat piles left in Granby today as evidence of the boom of lead and zinc mining as part of the Tri-State district back in the early 20th century.
As of the census of 2010, there were 2,134 people, 821 households, and 573 families living in the city. The population density was 482.8 inhabitants per square mile (186.4/km2). There were 940 housing units at an average density of 212.7 per square mile (82.1/km2). The racial makeup of the city was 92.5% White, 0.3% African American, 2.8% Native American, 1.1% Asian, 0.6% from other races, and 2.8% from two or more races.