What is Sidney, Montana?
[[File:Richland county courthouse.jpg|thumb|Richland County courthouse]] '''Sidney''' is a city in [[Montana]] in the [[United States]]. It is the [[county seat]] of [[Richland County, Montana|Richland County]]. About 6,300 people lived there in 2020. Sidney is along the [[Yellowstone River]]. It was [[incorporated]] in 1911. {{Montana}} {{US-geo-stub}} [[Category:Cities in Montana]] [[Category:County seats in Montana]] [[Category:1911 establishments in the United States]]