Otterville is a small unincorporated community in Buchanan County, Iowa, United States, northwest of Independence. History Although the community was founded in the 19th century, the townsfolk never incorporated the community. Otterville remains a small community halfway between Independence and Littleton. Otterville's population was 94 in 1902, and 100 in 1925. See also Wapsipinicon River References Unincorporated communities in Iowa Unincorporated communities in Buchanan County, Iowa