Terry is a town located in Prairie County, Montana. Terry has a 2026 population of 574. It is also the county seat of Prairie County. Terry is currently declining at a rate of -0.35% annually but its population has increased by 2.14% since the most recent census, which recorded a population of 562 in 2020.
The median household income in Terry is $48,125 with a poverty rate of 28.12%. The median age in Terry is 66.8 years: 66.5 years for males, and 70.5 years for females. For every 100 females there are 123.8 males.