Jingjiang, a county-level city under the jurisdiction of Jiangsu Province and managed by Taizhou City, is located in the southeast of Taizhou City, between 31 ° 56 '- 32 ° 08' north latitude and 120 ° 01 '- 120 ° 33' east longitude. It has a subtropical monsoon climate and is a new port industrial city in Jiangsu Province, with a total area of 665 square kilometers. As of 0:00 on November 1, 2020, the permanent resident population of Jingjiang City was 663408. The city has jurisdiction over 1 national economic and technological development zone (Jingjiang Economic and Technological Development Zone), 1 provincial development zone (Jiangyin-Jingjiang Industrial Park), 8 towns, 1 street, 3 offices, 181 administrative villages and 3427 villager groups.

In the seventh year of Chenghua in the Ming Dynasty (1471), Jingjiang County was established as Changzhou Prefecture. On July 19, 1996, the prefecture-level Taizhou City was established, and Jingjiang City was replaced by Taizhou City. In December 2020, the Academy of Social Sciences released the National Top 100 County-level Economic Competitiveness, ranking Jingjiang 30th.

In 2021, Jingjiang's GDP will be 114.238 billion yuan, an increase of 10.6%, and the per capita GDP will be 172032 yuan, an increase of 13.8% over the previous year.