Logan is a city in and the county seat of Harrison County, Iowa, United States, along the Boyer River. Landmarks include Harrison County Courthouse and State Savings Bank. Logan is the birthplace of Arthur Middleton, opera singer.
- CountyHarrison County
- Population1,397 (2020 U.S. Census)
- Historic places2 on the National Register





























Harrison County Courthouse
State Savings Bank
A view of Logan