Postal code: 274419.

Postal code of Qinggang Market Town, Cao County: 274419.

Qinggang Market Town is affiliated to Cao County, Heze City, Shandong Province. It is located in the north of Cao County. It is adjacent to Pulian Market Town in the southeast, Qinghe Sub-district in the south, Zhuanmiao Town in the southwest, Hanji Town in the west, and Maji Town and Dingtao County in the north.

It borders Nanwangdian Township.

The area is 93.41 square kilometers.

In 2018, the registered population was 64,729.

In 1965, Qinggang Commune was established.

In December 1983, Qinggang Market Township was established.