Cao surname is an ancient surname with many origins, but it is not included in the top 300 of the hundred surnames, ranking 532nd in Taiwan Province, with proper fruit and Poyang as counties. Cao's surname is widely circulated now. There are descendants of Cao in Anhui, Zhejiang, Shanghai, Hubei, Jiangxi, Henan, Sichuan, Guizhou, Guangdong, Guangxi and Taiwan Province provinces. According to inaccurate statistics, there are about 65438+ 10,000 people in China.

Cao's surname is concentrated in Caojia Village, Tianfanjie Town, Poyang County, Jiangxi Province, New Village of Jinpanling, Lake, Buried Hill, Huaining, Wuhu, Caojia Village, Anqing City, Cao Zhuang Administrative Village, Xuanwu Town, Luyi County, Henan Province (about 2,000 people), Changle Town, Shengzhou City, Zhejiang Province (about 2,000 people), Jinhua and Kaihua County.