Newdale, ID has a population of 342 and is the 21,752nd largest city in the United States. The population density is 1,860 per sq mi which is 9648% higher than the Idaho average and 1953% higher than the national average. The median age in Newdale is 35 which is approximately 3% lower than the Idaho average of 36. In Newdale, 78% of the population over 15 years of age are married, 82% speak English and 17% speak Spanish. 71% of Newdale residents were born in Idaho, 20% were born out of state, 0% were born outside of the United States and 10% were foreign born.