- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Colusa (formerly, Colusi, Colusi's, Koru, and Salmon Bend) is the county seat of Colusa County, California. The population was 5,971 at the 2010 census, up from 5,402 at the 2000 census.