Lingao County is a county directly under the jurisdiction of Hainan Province and an important part of Beibu Gulf City group. It is located in the northwest of Hainan Island, adjacent to Chengmai County in the east, Danzhou City in the southwest, Beibu Gulf in the northwest, Qiongzhou Strait in the north, and Leizhou Peninsula across the sea. The county government is based in Lincheng, 83 km from the provincial capital of Haikou City. The territory is 34 kilometers wide east and west, 47 kilometers long north and south, with a total area of 1317 square kilometers. Jurisdiction over 10 towns, a total of 176 communities (administrative villages), 880 natural villages, in addition to Calais Farm farm, Jingjin Port Economic Development Zone, two development zones Lingao Angle Tourism Resort Development Zone. According to the seventh population census of Hainan Province, as of midnight on November 1, 2020, Lingao County had a permanent population of 420,594.

On September 25, 2018, it was awarded the honorary title of "2018 E-commerce into Rural Comprehensive Demonstration County" by the Ministry of Commerce. In March 2019, it was listed as the first batch of counties under the protection and utilization of revolutionary cultural relics. On February 29, 2020, it was removed from the list of poverty-stricken counties and officially lifted out of poverty.

In 2020, the GDP of Linggao County was 2,0422.32 million yuan, calculated at comparable prices (the same below), an increase of 2.1% over the previous year. The per capita GDP was 44,542 yuan, an increase of 0.9 percent over the previous year. Among them, the value added of the primary industry was 12,624.82 million yuan, up 0.8% (that of fishery was 9,353.69 million yuan, up 0.1%); The added value of the secondary industry was 1179.32 million yuan, down by 10.9%; The added value of the tertiary industry was 661.1818 million yuan, up by 7.9%.