Osburn is a city in Shoshone County, Idaho, United States. Located in the Silver Valley mining region of northern Idaho, its population was 1,555 at the 2010 census.
The city was named for Bill Osborne, who established a trading post here.
Osburn is located at 47°30′23″N 116°0′20″W (47.506464, -116.005535), at an elevation of 2,520 feet (768 m) above sea level.
According to the United States Census Bureau, the city has a total area of 1.33 square miles (3.44 km2), of which, 1.31 square miles (3.39 km2) is land and 0.02 square miles (0.05 km2) is water.
At the 2010 census there were 1,555 people in 711 households, including 443 families, in the city. The population density was 1,187.0 inhabitants per square mile (458.3/km2). There were 777 housing units at an average density of 593.1 per square mile (229.0/km2). The racial makup of the city was 95.8% White, 0.3% African American, 1.5% Native American, 0.3% Asian, 0.1% Pacific Islander, 0.5% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 4.2%.
Of the 711 households 24.2% had children under the age of 18 living with them, 51.3% were married couples living together, 6.6% had a female householder with no husband present, 4.4% had a male householder with no wife present, and 37.7% were non-families. 32.9% of households were one person and 15.8% were one person aged 65 or older. The average household size was 2.19 and the average family size was 2.76.