Terry, MT has a population of 852 and is the 16,160th largest city in the United States. The population density is 1,091 per sq mi which is 15868% higher than the Montana average and 1104% higher than the national average. The median age in Terry is 44 which is approximately 10% higher than the Montana average of 40. In Terry, 77% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 65% of Terry residents were born in Montana, 33% were born out of state, 0% were born outside of the United States and 2% were foreign born.