Yonago is a city in western Tottori Prefecture, Japan. As of 31 December 2021, the city had an estimated population of 146,139 in 68,534 households and a population density of 1100 persons per km2. The total area of the city is 132.42 square kilometres (51.13 sq mi). It is the prefecture's second largest city after Tottori, and forms a commercial center of the western part of the prefecture.