General Zuo Quan, deputy chief of the General Staff of the Eighth Route Army. Zuo Quan County Yang (spring) related (county) railway, 207 national road, Yang (spring) Li (city) highway through the north and south, provincial road south (slope) too (valley) highway, Fen (Yang) Xing (Taiwan) highway across the east and west, provincial road south (kiln) Qin (source) highway, ink (stirrup) left (right) railway through. According to the seventh census, as of midnight on November 1, 2020, the permanent population of Zuoquan County was 144,519.

In 2017, the GDP of Zuoquan County reached 5.257 billion yuan, an increase of 6.5 percent over 2016. Among them, the added value of the primary industry was 369 million yuan, up by 11.5% year on year; The added value of the secondary industry was 2.603 billion yuan, up 4.8% year on year; The added value of the tertiary industry was 2.284 billion yuan, up by 7.4% year on year. The ratio of three industries has been adjusted from 8:47.1:44.9 in 2016 to 7:49.5:43.5. The per capita GDP is 31,600 yuan. In 2019, the gross domestic product of Zuoquan County increased by 6.7%, the industrial added value above designated size increased by 6.8% and the total retail sales of consumer goods increased by 8.5%. Fixed asset investment grew by 0.7%, general public budget revenue by 4.9%, and per capita disposable income of permanent urban residents by 6.5%.

On April 18, 2019, the People's Government of Shanxi Province approved Zuoquan County's withdrawal from the poverty-stricken county. In November 2019, Zuoquan County was named as the national model county of "Four Good Rural Roads".