Deary is a city in Latah County, Idaho. The population was 506 at the time of the 2010 census, down from 552 in 2000. It is located 24 miles eas…Deary is a city in Latah County, Idaho. The population was 506 at the time of the 2010 census, down from 552 in 2000. It is located 24 miles east of Moscow and 43 miles northeast of Lewiston. The settlement began as a waystation on the road to the forests at Bovill, Idaho. Owned by two African-Americans, Joe and Lou Wells, the waystation location was first called "Spud Hill", and then "Anderson".