Priest River, ID has a population of 1,639 and is the 12,188th largest city in the United States. The population density is 462 per sq mi which is 2319% higher than the Idaho average and 409% higher than the national average. The median age in Priest River is 38 which is approximately 7% higher than the Idaho average of 36. In Priest River, 61% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 33% of Priest River residents were born in Idaho, 65% were born out of state, 0% were born outside of the United States and 2% were foreign born.