Scott county is located in central eastern Iowa along the Mississippi river partly within the Mississippi loess soil area and partly in the Iowan drift area. The soils are therefore partly loessial and partly glacial in origin. The county has an area of 455 square miles or 291,200 acres of which 267,486 acres or 91.8 percent is in farmland, the number of farms being 2,185 and the average size of the farms 122.4 acres.
Stevenson, W. H. and Brown, P. E., "Soil Survey of Iowa, Report No. 9—Scott County Soils" (1919). Soil Survey Reports. 8.