The economy of the district was primarily agricultural, but as on today it has changed its occupation to Lorries, Educational Institutions, Poultry Farms and real estate. So,Poultry, Lorry Transport and related businesses drive the economy of the town.
Namakkal is famous for its Lorry body building industries and Poultry farms. It is India's 2nd biggest egg producing region (producing 3 crore eggs per day).
A wide variety of crops are grown within the district. One of the main crop is Tapioca and due to that Namakkal is famous for Sago Factories (particularly Sellappampatty and Attur taluk around the place)
