Bonners Ferry, ID has a population of 2,476 and is the 9,913th largest city in the United States. The population density is 1,052 per sq mi which is 5414% higher than the Idaho average and 1061% higher than the national average. The median age in Bonners Ferry is 42 which is approximately 17% higher than the Idaho average of 36. In Bonners Ferry, 55% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 41% of Bonners Ferry residents were born in Idaho, 54% were born out of state, 1% were born outside of the United States and 3% were foreign born.