Rathdrum, ID has a population of 7,357 and is the 5,003rd largest city in the United States. The population density is 1,406 per sq mi which is 7267% higher than the Idaho average and 1451% higher than the national average. The median age in Rathdrum is 36 which is approximately equal to the Idaho average of 36. In Rathdrum, 64% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 37% of Rathdrum residents were born in Idaho, 60% were born out of state, 0% were born outside of the United States and 3% were foreign born.