The area of Csongrád County is flat. It has a high number of sunshine hours and excellent soil, which makes it the most important agricultural area of Hungary. Its most famous products are paprika from Szeged and onion from Makó, but grain, vegetables and fruits are also significant. Half of the onion, paprika and vegetables produced in Hungary are from Csongrád. The county is also rich in oil and natural gas.
The highest point is Ásotthalom (125 m), the lowest is Gyálarét (78 m; lowest point of Hungary).