Onaway, Idaho  Onaway is a city in Latah County, Idaho, United States. The population was 187 at the 2010 census, down from 230 in 2000. The name sources from the mill works at nearby Potlatch to the west, as workers would frequent the bars after work. When a wife called and asked where her husband was she would be told he was "Onaway" home. Onaway is located between Potlatch and Princeton on State Highway 6. Onaway is located at (46.928565, -116.889074), at an elevation of above sea level. According to the United States Census Bureau, the city has a total area of , all of it land. As of the census of 2010, there were 187 people, 85 households, and 63 families residing in the city. The population density was . There were 90 housing units at an average density of . The racial makeup of the city was 100.0% White. Hispanic or Latino of any race were 1.1% of the population. There were 85 households of which 24.7% had children under the age of 18 living with them, 56.5% were married couples living together, 12.9% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 25.9% were non-families. 22.4% of all households were made up of individuals and 7.1% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.49. The median age in the city was 48.8 years. 17.1% of residents were under the age of 18; 4.3% were between the ages of 18 and 24; 25.7% were from 25 to 44; 32.1% were from 45 to 64; and 20.9% were 65 years of age or older. The gender makeup of the city was 51.9% male and 48.1% female. As of the census of 2000, there were 230 people, 83 households, and 63 families residing in the city. The population density was 1,546.4 people per square mile (592.0/km²). There were 86 housing units at an average density of 578.2 per square mile (221.4/km²). The racial makeup of the city was 94.78% White, 0.43% Native American, 0.43% Asian, and 4.35% from two or more races.