Jiaokou County, subordinate to Luliang City, Shanxi Province, is located in the middle of the Luliang Mountains in the west of Shanxi Province and the southernmost tip of Luliang City. It is between 36 ° 43 'and 37 ° 12' north latitude and 111 ° 03 'and 111 ° 34' east longitude, covering an area of 1259.92 square kilometers. Jiaokou County has a temperate continental climate. As of October 2021, Jiaokou County has jurisdiction over 6 towns and 1 township. The county people's government is located in Shuitou Town. As of August 2021, Jiaokou County has a total population of 124000.

During the Warring States Period, the territory was the territory of Wei. In 2011, Shuangchi Neighborhood Committee was added. Jiaokou County has developed transportation, with five trunk highways from Jiaokou to Lishi, Shilou, Huozhou, Lingshi and Linfen. Jiaokou County is the second batch of revolutionary cultural relics protection and utilization districts and counties, and the list of provincial safe counties (cities and districts) in Shanxi Province in 2018 and 2019. The main scenic spots are Xizhuang Historic and Cultural Village, Shanshen Valley and Thousand Buddha Cave.

In 2021, the annual gross regional product of Jiaokou County will be 6.04 billion yuan, an increase of 7.8%.