Kootenai, ID has a population of 934 and is the 15,560th largest city in the United States. The population density is 1,676 per sq mi which is 7516% higher than the Idaho average and 1749% higher than the national average. The median age in Kootenai is 33 which is approximately 8% lower than the Idaho average of 36. In Kootenai, 56% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 41% of Kootenai residents were born in Idaho, 58% were born out of state, 1% were born outside of the United States and 1% were foreign born.