Nezperce, ID has a population of 541 and is the 19,084th largest city in the United States. The population density is 1,260 per sq mi which is 6506% higher than the Idaho average and 1291% higher than the national average. The median age in Nezperce is 44 which is approximately 23% higher than the Idaho average of 36. In Nezperce, 61% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 55% of Nezperce residents were born in Idaho, 41% were born out of state, 1% were born outside of the United States and 3% were foreign born.