Montrose is a city in Lee County, Iowa. The population was 738 at the time of the 2020 census. The town is located on the Mississippi River. It is part of the Fort Madison-Keokuk Micropolitan Statistical Area. Montrose developed as a small river community, with its location along the Mississippi River historically contributing to local commerce and transportation. Today, it remains a small residential community with close ties to nearby cities in the region.