Gaoyang County, under the jurisdiction of Baoding City, Hebei Province, is located in the southeast of Baoding City on the North China Plain, bordering on Baiyangdian, the pearl of North China, and Anxin County, Xiong'an New Area in the north, Qingyuan District in the west, Lixian County and Suning County in the south, Hejian and Renqiu in the east, between 115 ° 38 ′ - 115 ° 39 ′ east longitude and 38 ° 30 ′ - 38 ° 46 ′ north latitude, with a total area of 441 square kilometers. As of October 2019, Gaoyang County has jurisdiction over 1 street, 5 towns, 2 townships and 1 development zone, and the county government is located in Gaoyang Town.

According to the data of the seventh census, as of 0:00 on November 1, 2020, Gaoyang County has 318986 permanent residents.

In the sixth year of Emperor Gaozu of the Western Han Dynasty (201 BC), Gaoyang County was established as Zhuo County. In 1962, Li County separated out and Gaoyang County restored the original system. In 1994, Baoding City was merged into Baoding City. Gaoyang County is located at the front edge of the Huanghuaihai alluvial plain, which belongs to the inter fan intersection depression. It belongs to warm temperate semi-arid and semi humid continental monsoon climate zone; There are three seasonal rivers in the territory, namely, the Chulong River, the Xiaoyi River and the Xiaobai River, flowing into Baiyangdian Lake, belonging to the Daqing River system in the Haihe River basin; Baocang Expressway, Daguang Expressway and Tianjin Shijiazhuang Expressway run through the whole territory. There is the former site of Brilliance Technology School, a national key cultural relics protection unit.

In 2019, the county's GDP will increase by 7.5%; The added value of industries above designated size increased by 7.5%; The total retail sales of consumer goods increased by 9.5%; Investment in fixed assets was 3.8 billion yuan; The total financial revenue reached 1.24 billion yuan; The general public budget revenue reached 760 million yuan; The per capita disposable income of urban and rural residents reached 30162 yuan and 20042 yuan respectively.

In March 2021, it was awarded as an advanced county (city, district) for village clean action in Hebei Province in 2020.