Hazelton, ID has a population of 738 and is the 17,139th largest city in the United States. The population density is 2,052 per sq mi which is 10654% higher than the Idaho average and 2165% higher than the national average. The median age in Hazelton is 35 which is approximately 3% lower than the Idaho average of 36. In Hazelton, 63% of the population over 15 years of age are married, 55% speak English and 45% speak Spanish. 56% of Hazelton residents were born in Idaho, 24% were born out of state, 0% were born outside of the United States and 20% were foreign born.