- source: Getty Thesaurus of Geographic Names
- the text in this section is copied from an article in Wikipedia
Arnold is a census-designated place (CDP) in Rice Lake Township, Saint Louis County, Minnesota, United States. The population was 2,960 at the 2010 census.
The census-designated place of Arnold is located entirely within Rice Lake Township, adjacent to the north side of the city of Duluth, and is considered to be a part of the urban area.